DE69002126D1 - Photodetektor. - Google Patents
Photodetektor.Info
- Publication number
- DE69002126D1 DE69002126D1 DE9090304987T DE69002126T DE69002126D1 DE 69002126 D1 DE69002126 D1 DE 69002126D1 DE 9090304987 T DE9090304987 T DE 9090304987T DE 69002126 T DE69002126 T DE 69002126T DE 69002126 D1 DE69002126 D1 DE 69002126D1
- Authority
- DE
- Germany
- Prior art keywords
- photodetector
- Prior art date
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
- G01J3/32—Investigating bands of a spectrum in sequence by a single detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
- G01J3/32—Investigating bands of a spectrum in sequence by a single detector
- G01J2003/323—Comparing line:background
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/349,200 US5022755A (en) | 1989-05-09 | 1989-05-09 | Photodiode configurations for simultaneous background correction and specific wavelength detection |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69002126D1 true DE69002126D1 (de) | 1993-08-12 |
DE69002126T2 DE69002126T2 (de) | 1994-01-13 |
Family
ID=23371313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE90304987T Expired - Fee Related DE69002126T2 (de) | 1989-05-09 | 1990-05-09 | Photodetektor. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5022755A (de) |
EP (1) | EP0397467B1 (de) |
JP (1) | JPH02309233A (de) |
CA (1) | CA2016274A1 (de) |
DE (1) | DE69002126T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5438406A (en) * | 1993-10-07 | 1995-08-01 | The Titan Corporation | Tunable narrowband spectrometer with acousto-optical tunable filter |
US5444528A (en) * | 1994-07-27 | 1995-08-22 | The Titan Corporation | Tunable spectrometer with acousto-optical tunable filter |
FR2849920B1 (fr) * | 2003-01-13 | 2005-04-01 | Jobin Yvon Sas | Procede et dispositif d'obtention d'un signal optique a bruit reduit |
US20050274899A1 (en) * | 2004-06-10 | 2005-12-15 | James Butler | Spectroscopic system and method for analysis in harsh, changing environments |
JP4910223B2 (ja) * | 2005-12-27 | 2012-04-04 | レンセラール ポリテクニック インスティチュート | テラヘルツ放射線を検出する光学技術を利用して離れたところにある物体を分析する方法 |
US7940377B1 (en) | 2008-12-05 | 2011-05-10 | Sandia Corporation | Passive background correction method for spatially resolved detection |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3819945A (en) * | 1971-07-01 | 1974-06-25 | Environmental Data Corp | Spectrometers |
CA1075033A (en) * | 1976-08-30 | 1980-04-08 | Adolph A. Schuetz | Sodium light intensity monitor |
FR2557372B1 (fr) * | 1983-12-27 | 1986-04-11 | Thomson Csf | Procede d'ebasage d'un dispositif photosensible a l'etat solide |
JPS6111622A (ja) * | 1984-06-27 | 1986-01-20 | Hitachi Ltd | 分光光度計 |
US4820048A (en) * | 1987-11-19 | 1989-04-11 | The Perkin-Elmer Corporation | Detector for a spectrometer |
-
1989
- 1989-05-09 US US07/349,200 patent/US5022755A/en not_active Expired - Fee Related
-
1990
- 1990-05-08 CA CA002016274A patent/CA2016274A1/en not_active Abandoned
- 1990-05-09 EP EP90304987A patent/EP0397467B1/de not_active Expired - Lifetime
- 1990-05-09 JP JP2117791A patent/JPH02309233A/ja active Pending
- 1990-05-09 DE DE90304987T patent/DE69002126T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0397467B1 (de) | 1993-07-07 |
CA2016274A1 (en) | 1990-11-09 |
US5022755A (en) | 1991-06-11 |
JPH02309233A (ja) | 1990-12-25 |
EP0397467A1 (de) | 1990-11-14 |
DE69002126T2 (de) | 1994-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: VARIAN, INC., PALO ALTO, CALIF., US |
|
8339 | Ceased/non-payment of the annual fee |