DE29901464U1 - Combination light source and analysis system using the same - Google Patents

Combination light source and analysis system using the same

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Publication number
DE29901464U1
DE29901464U1 DE29901464U DE29901464U DE29901464U1 DE 29901464 U1 DE29901464 U1 DE 29901464U1 DE 29901464 U DE29901464 U DE 29901464U DE 29901464 U DE29901464 U DE 29901464U DE 29901464 U1 DE29901464 U1 DE 29901464U1
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Germany
Prior art keywords
light source
source according
combination
fibers
combination light
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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DE29901464U
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German (de)
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J & M Analytische Mess & Regeltechnik GmbH
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J & M Analytische Mess & Regeltechnik GmbH
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Priority to DE29901464U priority Critical patent/DE29901464U1/en
Priority to DE10002106A priority patent/DE10002106A1/en
Publication of DE29901464U1 publication Critical patent/DE29901464U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0006—Coupling light into the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2808—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/40—Mechanical coupling means having fibre bundle mating means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (37)

1. Kombinationslichtquelle für einen Wellenlängenbereich von ca. 180 nm bis 2500 nm, umfassend eine Mehrzahl von Einzellichtquellen (11, 24) und einen faseroptischen Lichtleiter (22), in den die von den Einzellichtquellen (11, 24) abgegebene Strahlung über ein Einkoppelsystem einkoppelbar ist, dadurch gekennzeichnet, daß der Lichtleiter (22) eingangsseitig in eine Mehrzahl von Teillichtleiter (20) aufgeteilt ist, die jeweils aus mindestens einer optischen Faser (30, 28) bestehen und die jeweils einer Einzellichtquelle (11 bzw. 24) zugeordnet und mit dieser über ein separates Einkoppelsystem (16, 26) gekoppelt sind.1. Combination light source for a wavelength range from approximately 180 nm to 2500 nm, comprising a plurality of individual light sources ( 11 , 24 ) and a fiber-optic light guide ( 22 ) into which the radiation emitted by the individual light sources ( 11 , 24 ) can be coupled in via a coupling system characterized in that the light guide ( 22 ) is divided on the input side into a plurality of partial light guides ( 20 ), each of which consists of at least one optical fiber ( 30 , 28 ) and which are each assigned to an individual light source ( 11 or 24 ) and with these are coupled via a separate coupling system ( 16 , 26 ). 2. Kombinationslichtquelle nach Anspruch 1, dadurch gekennzeichnet, daß für den gesamten Wellenlängenbereich drei Einzellampen vorgesehen sind.2. Combination light source according to claim 1, characterized in that three individual lamps are provided for the entire wavelength range are. 3. Kombinationslichtquelle nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß für den Wellenlängenbereich von 180 bis 1050 nm zwei Einzellichtquellen vorgesehen sind.3. Combination light source according to claim 1 or 2, characterized characterized in that for the wavelength range from 180 to 1050 nm two individual light sources are provided. 4. Kombinationslichtquelle nach Anspruch 3, dadurch gekennzeichnet, daß die beiden Einzellichtquellen breitbandig sind.4. Combination light source according to claim 3, characterized in that the two individual light sources are broadband. 5. Kombinationslichtquelle nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß eine der. Lichtquellen eine breitbandige Deuteriumlampe (11) für den UV-Wellenlängenbereich von ca. 180 nm bis 400 nm ist.5. Combination light source according to one of claims 1 to 4, characterized in that one of the. Light sources is a broadband deuterium lamp ( 11 ) for the UV wavelength range from approximately 180 nm to 400 nm. 6. Kombinationslichtquelle nach Anspruch 5, dadurch gekennzeichnet, daß zwischen der Deuteriumlampe (11) und dem zugehörigen Teillichtleiter (20) ein Kurzpaßfilter mit einer Grenzwellenlänge von 350 bis 450 nm angeordnet ist.6. Combination light source according to claim 5, characterized in that a short pass filter with a cut-off wavelength of 350 to 450 nm is arranged between the deuterium lamp ( 11 ) and the associated partial light guide ( 20 ). 7. Kombinationslichtquelle nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Einkoppelsystem eine Linsenanordnung (16, 26) ist. 7. Combination light source according to one of claims 1 to 6, characterized in that the coupling system is a lens arrangement ( 16 , 26 ). 8. Kombinationslichtquelle nach Anspruch 7, dadurch gekennzeichnet, daß mindestens die für den UV-Bereich bestimmte Linsenanordnung (16) aus Quarzglas besteht.8. Combination light source according to claim 7, characterized in that at least the lens arrangement ( 16 ) intended for the UV range consists of quartz glass. 9. Kombinationslichtquelle nach Anspruch 7, dadurch gekennzeichnet, daß das Einkoppelsystem einen UV-Achromaten umfaßt.9. Combination light source according to claim 7, characterized in that the coupling system comprises a UV achromatic lens. 10. Kombinationslichtquelle nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß der axiale Abstand zwischen der Linsenanordnung (16, 26) und dem Eintrittsende des Teillichtleiters (20) jeweils einstellbar ist.10. Combination light source according to one of claims 7 to 9, characterized in that the axial distance between the lens arrangement ( 16 , 26 ) and the entry end of the partial light guide ( 20 ) is adjustable in each case. 11. Kombinationslichtquelle nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das jeweilige Einkoppelsystem ein Spiegelsystem ist.11. Combination light source according to one of claims 1 to 6, characterized characterized in that the respective coupling system is a mirror system is. 12. Kombinationslichtquelle nach Anspruch 11, dadurch gekennzeichnet, daß die Spiegelfläche eine UV-Reflexionsbeschichtung trägt und eine wellenlängenunabhängige Abbildungscharakteristik hat.12. Combination light source according to claim 11, characterized in that the mirror surface has a UV reflective coating and one has wavelength-independent imaging characteristics. 13. Kombinationslichtquelle nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß das Spiegelsystem von einem off-axis-Spiegel gebildet ist.13. Combination light source according to claim 11 or 12, characterized characterized in that the mirror system by an off-axis mirror is formed. 14. Kombinationslichtquelle nach einem der Ansprüche 11 oder 12, dadurch gekennzeichnet, daß das Spiegelsystem ein optimiertes System nach Gregory, Cassegrain oder Newton ist.14. Combination light source according to one of claims 11 or 12, characterized characterized in that the mirror system according to an optimized system Gregory, Cassegrain or Newton is. 15. Kombinationslichtquelle nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die zu verschiedenen Teillichtleitern (20) gehörenden Fasern aus unterschiedlichen Materialien bestehen.15. Combination light source according to one of claims 1 to 14, characterized in that the fibers belonging to different partial light guides ( 20 ) consist of different materials. 16. Kombinationslichtquelle nach Anspruch 15, dadurch gekennzeichnet, daß sich die Fasern verschiedener Teillichtleiter (20) in der Zusammensetzung des Kernglases und/oder Mantelglases bezüglich des Wassergehaltes und bezüglich von Defekten unterscheiden. 16. Combination light source according to claim 15, characterized in that the fibers of different partial light guides ( 20 ) differ in the composition of the core glass and / or cladding glass with regard to the water content and with regard to defects. 17. Kombinationslichtquelle nach Anspruch 15 oder 16, dadurch gekennzeichnet, daß sich die Fasern verschiedener Teillichtleiter (20) im Durchmesser des Faserkernes oder der Faser unterscheiden.17. Combination light source according to claim 15 or 16, characterized in that the fibers of different partial light guides ( 20 ) differ in the diameter of the fiber core or the fiber. 18. Kombinationslichtquelle nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß die für den UV-Bereich verwendeten Fasern aus solarisationsarmem Quarzglas bestehen.18. Combination light source according to one of claims 1 to 17, characterized characterized in that the fibers used for the UV range low solarization quartz glass exist. 19. Kombinationslichtquelle nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, daß die Fasern der Teillichtleiter (20), die der oder den Einzellichtquellen (24) für den Wellenlängenbereich oberhalb von 400 nm zugeordnet sind, aus Standardglas mit hohem oder niedrigem Wasseranteil bestehen.19. Combination light source according to one of claims 1 to 18, characterized in that the fibers of the partial light guide ( 20 ), which are assigned to the individual light source (s) ( 24 ) for the wavelength range above 400 nm, consist of standard glass with a high or low water content. 20. Kombinationslichtquelle nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, daß die Fasern der Teillichtleitern (20), die der oder den Einzellichtquellen für den Wellenlängenbereich oberhalb von 1050 nm zugeordnet sind, aus wasserarmem Glas bestehen.20. Combination light source according to one of claims 1 to 18, characterized in that the fibers of the partial light guides ( 20 ), which are assigned to the individual light source or sources for the wavelength range above 1050 nm, consist of low-water glass. 21. Kombinationslichtquelle nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, daß der der UV-Lichtquelle (12) zugeordnete Teillichtleiter (30) am Austrittsende des Gesamtlichtleiters (22) im Zentrum und die Faser oder Fasern (28) des oder der übrigen Teillichtleiter (20) um den zentralen Teillichtleiter (30) herum angeordnet sind.21. Combination light source according to one of claims 1 to 20, characterized in that the UV light source ( 12 ) associated partial light guide ( 30 ) at the exit end of the total light guide ( 22 ) in the center and the fibers or fibers ( 28 ) of the or the other partial light guide ( 20 ) are arranged around the central partial light guide ( 30 ). 22. Kombinationslichtquelle nach Anspruch 21, dadurch gekennzeichnet, daß die um den zentralen Teillichtleiter (30) liegenden Fasern (28) symmetrisch bezüglich der Lichtleiterachsen angeordnet sind.22. Combination light source according to claim 21, characterized in that the fibers ( 28 ) lying around the central partial light guide ( 30 ) are arranged symmetrically with respect to the light guide axes. 23. Kombinationslichtquelle nach Anspruch 21, dadurch gekennzeichnet, daß die um den zentralen Teillichtleiter (30) liegenden Fasern (28) asymmetrisch bezüglich der Lichtleiterachse angeordnet sind.23. Combination light source according to claim 21, characterized in that the fibers ( 28 ) lying about the central partial light guide ( 30 ) are arranged asymmetrically with respect to the light guide axis. 24. Kombinationslichtquelle nach einem der Ansprüche 1 bis 23, dadurch gekennzeichnet, daß die nicht-UV-Lampen gleich sind und daß sie einen unterschiedlichen Abstand zu dem jeweiligen Eintrittsende der ihnen zugeordneten Teillichtleiter (20) haben. 24. Combination light source according to one of claims 1 to 23, characterized in that the non-UV lamps are the same and that they are at a different distance from the respective entry end of the partial light guide ( 20 ) assigned to them. 25. Kombinationslichtquelle nach einem der Ansprüche 1 bis 24, dadurch gekennzeichnet, daß der Lichtleiter (22) ausgangsseitig an einem Sammelleiter (34) angekoppelt ist.25. Combination light source according to one of claims 1 to 24, characterized in that the light guide ( 22 ) is coupled on the output side to a busbar ( 34 ). 26. Kombinationslichtquelle nach Anspruch 25, dadurch gekennzeichnet, daß der Sammelleiter (34) eine Einzelfaser ist.26. Combination light source according to claim 25, characterized in that the busbar ( 34 ) is a single fiber. 27. Kombinationslichtquelle nach Anspruch 25, dadurch gekennzeichnet, daß der Sammelleiter (24) ein Faserbündel aus gleichen Fasern ist.27. Combination light source according to claim 25, characterized in that the busbar ( 24 ) is a fiber bundle made of the same fibers. 28. Kombinationslichtquelle nach einem der Ansprüche 25 bis 27, dadurch gekennzeichnet, daß der Durchmesser des Sammelleiters (34) gleich oder größer als der maximale Durchmesser der lichtführenden Kernbereiche der Fasern (30, 28) im Gesamtlichtleiter (22) ist.28. Combination light source according to one of claims 25 to 27, characterized in that the diameter of the busbar ( 34 ) is equal to or larger than the maximum diameter of the light-guiding core regions of the fibers ( 30 , 28 ) in the overall light guide ( 22 ). 29. Kombinationslichtquelle nach einem der Ansprüche 25 bis 28, dadurch gekennzeichnet, daß im Bereich des Sammelleiters (34) ein Modenmischer (40) angeordnet ist.29. Combination light source according to one of claims 25 to 28, characterized in that a mode mixer ( 40 ) is arranged in the region of the busbar ( 34 ). 30. Kombinationslichtquelle nach einem der Ansprüche 25 bis 29, dadurch gekennzeichnet, daß die Faser oder Fasern des Sammelleiters (34) aus solarisationsarmem und wasserfreiem Quarzglas bestehen.30. Combination light source according to one of claims 25 to 29, characterized in that the fibers or fibers of the busbar ( 34 ) consist of low-solarization and anhydrous quartz glass. 31. Kombinationslichtquelle nach einem der Ansprüche 25 bis 30, dadurch gekennzeichnet, daß das Eintrittsende des Sammelleiters (34) und das Austrittsende des Gesamtlichtleiters (22) radial und/oder axial relativ zueinander verstellbar sind.31. Combination light source according to one of claims 25 to 30, characterized in that the inlet end of the busbar ( 34 ) and the outlet end of the overall light guide ( 22 ) are radially and / or axially adjustable relative to one another. 32. Kombinationslichtquelle nach einem der Ansprüche 25 bis 31, dadurch gekennzeichnet, daß das Eintrittsende des Sammelleiters (34) ein konisches Einkoppelteil hat, dessen Eingangsdurchmesser gleich oder größer als der maximale Durchmesser der lichtführenden Kernbereiche der Fasern (28, 30) des Gesamtlichtleiters (22) ist.32. Combination light source according to one of claims 25 to 31, characterized in that the inlet end of the busbar ( 34 ) has a conical coupling part, the input diameter of which is equal to or greater than the maximum diameter of the light-guiding core regions of the fibers ( 28 , 30 ) of the overall light guide ( 22 ) is. 33. Kombinationslichtquelle nach einem der Ansprüche 21 bis 32, dadurch gekennzeichnet, daß die Achse der um den zentralen Teillichtleiter (30) herum angeordneten Fasern (28) gegenüber der Achse des zentralen Teillichtleiters (30) geneigt sind.33. Combination light source according to any one of claims 21 to 32, characterized in that the axis around the central part of the light guide (30) disposed about said fibers (28) are inclined relative to the axis of the central part of the light guide (30). 34. Optisches Analysesystem zur spektrometrischen Untersuchung von Proben mit mindestens einer Lichtquelle, einer Meßzelle zur Aufnahme der Probe und einer Spektrometeranordnung, dadurch gekennzeichnet, daß die Lichtquelle eine Kombinationslichtquelle (10) nach einem der Ansprüche 1 bis 33 ist, daß die Spektrometeranordnung mindestens zwei Spektrometer (50) umfaßt, daß der optische Eingang der Meßzelle (41) mit dem Austrittsende des Gesamtlichtleiters (22) oder Sammelleiters (34) der Kombinationslichtquelle (10) gekoppelt ist und daß der optische Ausgang der Meßzelle (41) mit dem Eintrittsende eines Faserbündels (42, 46) gekoppelt ist, das austrittsseitig in den Spektrometern (50) zugeordnete Teilbündel (48) aufgespaltet ist.34. Optical analysis system for the spectrometric examination of samples with at least one light source, a measuring cell for receiving the sample and a spectrometer arrangement, characterized in that the light source is a combination light source ( 10 ) according to one of claims 1 to 33, that the spectrometer arrangement at least two spectrometers ( 50 ) comprises that the optical input of the measuring cell ( 41 ) is coupled to the exit end of the total light guide ( 22 ) or busbar ( 34 ) of the combination light source ( 10 ) and that the optical output of the measuring cell ( 41 ) is connected to the entry end of a fiber bundle ( 42 , 46 ) is coupled, the sub-bundle ( 48 ) assigned on the outlet side in the spectrometers ( 50 ) is split. 35. Analysesystem nach Anspruch 34, dadurch gekennzeichnet, daß die Fasern der Teilbündel (48) austrittsseitig linear nebeneinander angeordnet sind.35. Analysis system according to claim 34, characterized in that the fibers of the partial bundles ( 48 ) are arranged linearly side by side on the outlet side. 36. Analysesystem nach Anspruch 34 oder 35, dadurch gekennzeichnet, daß die Fasern der Teilbündel (48) auf der Eintrittsseite des Faserbündels regellos über den Querschnitt desselben verteilt sind.36. Analysis system according to claim 34 or 35, characterized in that the fibers of the partial bundles ( 48 ) are randomly distributed over the cross section of the same on the entry side of the fiber bundle. 37. Analysesystem nach Anspruch 34 oder 35, dadurch gekennzeichnet, daß die Fasern der Teilbündel (48) auf der Eintrittsseite des Faserbündels (42, 46) regelmäßig so angeordnet sind, daß das Beobachtungsvolumen gleichmäßig erfaßt wird.37. Analysis system according to claim 34 or 35, characterized in that the fibers of the partial bundles ( 48 ) on the entry side of the fiber bundle ( 42 , 46 ) are regularly arranged so that the observation volume is recorded evenly.
DE29901464U 1999-01-28 1999-01-28 Combination light source and analysis system using the same Expired - Lifetime DE29901464U1 (en)

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DE29901464U DE29901464U1 (en) 1999-01-28 1999-01-28 Combination light source and analysis system using the same
DE10002106A DE10002106A1 (en) 1999-01-28 2000-01-19 Combined light source and analysis system for spectrometer uses fiber optic coupler to combine light sources in the range from UV to IR

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Application Number Priority Date Filing Date Title
DE29901464U DE29901464U1 (en) 1999-01-28 1999-01-28 Combination light source and analysis system using the same

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DE10002106A Withdrawn DE10002106A1 (en) 1999-01-28 2000-01-19 Combined light source and analysis system for spectrometer uses fiber optic coupler to combine light sources in the range from UV to IR

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