GB2181922B - Interferometer - Google Patents

Interferometer

Info

Publication number
GB2181922B
GB2181922B GB8623235A GB8623235A GB2181922B GB 2181922 B GB2181922 B GB 2181922B GB 8623235 A GB8623235 A GB 8623235A GB 8623235 A GB8623235 A GB 8623235A GB 2181922 B GB2181922 B GB 2181922B
Authority
GB
United Kingdom
Prior art keywords
interferometer
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 - Lifetime
Application number
GB8623235A
Other versions
GB8623235D0 (en
GB2181922A (en
Inventor
Alan Howard Greenaway
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB8623235D0 publication Critical patent/GB8623235D0/en
Publication of GB2181922A publication Critical patent/GB2181922A/en
Application granted granted Critical
Publication of GB2181922B publication Critical patent/GB2181922B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Algebra (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
GB8623235A 1985-10-21 1986-09-26 Interferometer Expired - Lifetime GB2181922B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858525916A GB8525916D0 (en) 1985-10-21 1985-10-21 Interferometer

Publications (3)

Publication Number Publication Date
GB8623235D0 GB8623235D0 (en) 1986-10-29
GB2181922A GB2181922A (en) 1987-04-29
GB2181922B true GB2181922B (en) 1990-02-07

Family

ID=10587003

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858525916A Pending GB8525916D0 (en) 1985-10-21 1985-10-21 Interferometer
GB8623235A Expired - Lifetime GB2181922B (en) 1985-10-21 1986-09-26 Interferometer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858525916A Pending GB8525916D0 (en) 1985-10-21 1985-10-21 Interferometer

Country Status (1)

Country Link
GB (2) GB8525916D0 (en)

Also Published As

Publication number Publication date
GB8525916D0 (en) 1985-11-27
GB8623235D0 (en) 1986-10-29
GB2181922A (en) 1987-04-29

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Legal Events

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