GB2237382B - Optoelectronic devices - Google Patents
Optoelectronic devicesInfo
- Publication number
- GB2237382B GB2237382B GB9020322A GB9020322A GB2237382B GB 2237382 B GB2237382 B GB 2237382B GB 9020322 A GB9020322 A GB 9020322A GB 9020322 A GB9020322 A GB 9020322A GB 2237382 B GB2237382 B GB 2237382B
- Authority
- GB
- United Kingdom
- Prior art keywords
- optoelectronic devices
- optoelectronic
- devices
- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/171—Systems in which incident light is modified in accordance with the properties of the material investigated with calorimetric detection, e.g. with thermal lens detection
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mathematical Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8948405A IT1231979B (en) | 1989-09-26 | 1989-09-26 | IMPROVEMENT IN MEASURING DEVICES OF OPTICAL ABSORPTION IN MATERIALS IN THE FORM OF THIN LAYERS, USING THE SPECTROSCOPIC TECHNIQUE WITH PHOTOTHERMAL DEFLECTION |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9020322D0 GB9020322D0 (en) | 1990-10-31 |
GB2237382A GB2237382A (en) | 1991-05-01 |
GB2237382B true GB2237382B (en) | 1994-01-12 |
Family
ID=11266356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9020322A Expired - Fee Related GB2237382B (en) | 1989-09-26 | 1990-09-18 | Optoelectronic devices |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE4030315A1 (en) |
FR (1) | FR2652414B1 (en) |
GB (1) | GB2237382B (en) |
IT (1) | IT1231979B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004010267B3 (en) * | 2004-03-03 | 2005-09-22 | Forschungszentrum Karlsruhe Gmbh | Photothermic recording system |
CN109211792A (en) * | 2018-09-07 | 2019-01-15 | 中国工程物理研究院激光聚变研究中心 | Photo-thermal absorbs test macro and photo-thermal absorbs test method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0094274A1 (en) * | 1982-04-29 | 1983-11-16 | Thomson-Csf | Method of assembling an optical device containing a semiconductor laser, device and assembly bench |
GB2162942A (en) * | 1984-08-07 | 1986-02-12 | Putra Siregar Nurhayati Indra | A device for use in assessing the position of a body |
GB2174491A (en) * | 1985-04-24 | 1986-11-05 | Univ Strathclyde | A displacement measuring system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3146700A1 (en) * | 1981-11-25 | 1983-07-07 | Fa. Carl Zeiss, 7920 Heidenheim | METHOD AND DEVICE FOR DETECTING THERMOOPTIC SIGNALS |
US4447153A (en) * | 1982-06-08 | 1984-05-08 | The United States Of America As Represented By The United States Department Of Energy | Apparatus and method for quantitative measurement of small differences in optical absorptivity between two samples using differential interferometry and the thermooptic effect |
US4521118A (en) * | 1982-07-26 | 1985-06-04 | Therma-Wave, Inc. | Method for detection of thermal waves with a laser probe |
US4522510A (en) * | 1982-07-26 | 1985-06-11 | Therma-Wave, Inc. | Thin film thickness measurement with thermal waves |
-
1989
- 1989-09-26 IT IT8948405A patent/IT1231979B/en active
-
1990
- 1990-09-18 GB GB9020322A patent/GB2237382B/en not_active Expired - Fee Related
- 1990-09-25 DE DE4030315A patent/DE4030315A1/en not_active Withdrawn
- 1990-09-25 FR FR9011788A patent/FR2652414B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0094274A1 (en) * | 1982-04-29 | 1983-11-16 | Thomson-Csf | Method of assembling an optical device containing a semiconductor laser, device and assembly bench |
GB2162942A (en) * | 1984-08-07 | 1986-02-12 | Putra Siregar Nurhayati Indra | A device for use in assessing the position of a body |
GB2174491A (en) * | 1985-04-24 | 1986-11-05 | Univ Strathclyde | A displacement measuring system |
Also Published As
Publication number | Publication date |
---|---|
FR2652414B1 (en) | 1993-12-17 |
FR2652414A1 (en) | 1991-03-29 |
IT1231979B (en) | 1992-01-22 |
GB9020322D0 (en) | 1990-10-31 |
IT8948405A0 (en) | 1989-09-26 |
GB2237382A (en) | 1991-05-01 |
DE4030315A1 (en) | 1991-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950918 |