GB1459410A - Automatic polarization analysing device - Google Patents

Automatic polarization analysing device

Info

Publication number
GB1459410A
GB1459410A GB5849273A GB5849273A GB1459410A GB 1459410 A GB1459410 A GB 1459410A GB 5849273 A GB5849273 A GB 5849273A GB 5849273 A GB5849273 A GB 5849273A GB 1459410 A GB1459410 A GB 1459410A
Authority
GB
United Kingdom
Prior art keywords
null position
error signal
dead zone
drive
servos
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
Application number
GB5849273A
Other languages
English (en)
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of GB1459410A publication Critical patent/GB1459410A/en
Expired 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
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21Polarisation-affecting properties
    • G01N21/211Ellipsometry

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Control Of Position Or Direction (AREA)
GB5849273A 1972-12-22 1973-12-18 Automatic polarization analysing device Expired GB1459410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12824572A JPS5317312B2 (enrdf_load_html_response) 1972-12-22 1972-12-22

Publications (1)

Publication Number Publication Date
GB1459410A true GB1459410A (en) 1976-12-22

Family

ID=14980071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5849273A Expired GB1459410A (en) 1972-12-22 1973-12-18 Automatic polarization analysing device

Country Status (3)

Country Link
JP (1) JPS5317312B2 (enrdf_load_html_response)
DE (1) DE2363684C3 (enrdf_load_html_response)
GB (1) GB1459410A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271845A (en) * 1987-01-23 1994-04-27 British Aerospace Polarisation image detection systems

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830398C2 (de) * 1988-09-07 1997-11-27 Bodenseewerk Perkin Elmer Co Antriebsvorrichtung zum Antreiben eines Schwingpolarisators

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271845A (en) * 1987-01-23 1994-04-27 British Aerospace Polarisation image detection systems
GB2271845B (en) * 1987-01-23 1994-12-14 British Aerospace Polarisation image detection systems
US5396329A (en) * 1987-01-23 1995-03-07 British Aerospace Plc Polarisation image detection systems

Also Published As

Publication number Publication date
DE2363684A1 (de) 1974-06-27
JPS5317312B2 (enrdf_load_html_response) 1978-06-07
DE2363684C3 (de) 1979-03-15
DE2363684B2 (de) 1978-07-06
JPS4987344A (enrdf_load_html_response) 1974-08-21

Similar Documents

Publication Publication Date Title
US3992104A (en) Automatic polarization analyzer device
Babcock The Solar Magnetograph.
US4171908A (en) Automatic two wavelength photoelasticimeter
US2998746A (en) Angular measurement system
US3741661A (en) Universal polarimeter
US3877816A (en) Remote-angle-of-rotation measurement device using light modulation and electro-optical sensors
GB1212946A (en) Polarimeter
GB1333152A (en) Electro-optical measuring apparatus
GB1459410A (en) Automatic polarization analysing device
US3787857A (en) Dual mode radiometric system
US3230820A (en) Polarimeter
US3687555A (en) Photoelectric polarization analyzer
US2958783A (en) Scanner
US3002419A (en) Alignment theodolite
US3012148A (en) Infrared tracker
US3427108A (en) Electro-optical apparatus for monitoring rotational movement of a body
US3409781A (en) Electro-optical angle sensor
US3773421A (en) Monitoring relative displacement
GB1210273A (en) Optical dichroism measuring apparatus & method
US3606548A (en) Measurement of dispersion of light
US3988067A (en) Automatic polarization analyzing device
US2972812A (en) Light chopper
US3226971A (en) Compass alignment system
SU789686A1 (ru) Денситометр
SU868377A1 (ru) Устройство дл визуальной индикации эллипсометрических параметров

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee