GB2237382B - Optoelectronic devices - Google Patents

Optoelectronic devices

Info

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
Application number
GB9020322A
Other versions
GB9020322D0 (en
GB2237382A (en
Inventor
Enrico Masetti
Marco Montecchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agenzia Nazionale per le Nuove Tecnologie lEnergia e lo Sviluppo Economico Sostenibile ENEA
Original Assignee
Agenzia Nazionale per le Nuove Tecnologie lEnergia e lo Sviluppo Economico Sostenibile ENEA
Comitato Nazionale per la Ricerca e per lo Sviluppo dell Energia
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agenzia Nazionale per le Nuove Tecnologie lEnergia e lo Sviluppo Economico Sostenibile ENEA, Comitato Nazionale per la Ricerca e per lo Sviluppo dell Energia filed Critical Agenzia Nazionale per le Nuove Tecnologie lEnergia e lo Sviluppo Economico Sostenibile ENEA
Publication of GB9020322D0 publication Critical patent/GB9020322D0/en
Publication of GB2237382A publication Critical patent/GB2237382A/en
Application granted granted Critical
Publication of GB2237382B publication Critical patent/GB2237382B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/8422Investigating thin films, e.g. matrix isolation method
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/171Systems 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)
GB9020322A 1989-09-26 1990-09-18 Optoelectronic devices Expired - Fee Related GB2237382B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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