GB1309378A - Multi-frequency laser interferometers - Google Patents

Multi-frequency laser interferometers

Info

Publication number
GB1309378A
GB1309378A GB2797071A GB2797071A GB1309378A GB 1309378 A GB1309378 A GB 1309378A GB 2797071 A GB2797071 A GB 2797071A GB 2797071 A GB2797071 A GB 2797071A GB 1309378 A GB1309378 A GB 1309378A
Authority
GB
United Kingdom
Prior art keywords
beams
light
prism
laser
prisms
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
GB2797071A
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.)
Norges Teknisk Naturvitenskapelige Forskningsrad
Original Assignee
Norges Teknisk Naturvitenskapelige Forskningsrad
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 Norges Teknisk Naturvitenskapelige Forskningsrad filed Critical Norges Teknisk Naturvitenskapelige Forskningsrad
Publication of GB1309378A publication Critical patent/GB1309378A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02007—Two or more frequencies or sources used for interferometric measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/45—Multiple detectors for detecting interferometer signals

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
GB2797071A 1970-06-16 1971-06-15 Multi-frequency laser interferometers Expired GB1309378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO2327/70A NO125554B (enrdf_load_stackoverflow) 1970-06-16 1970-06-16

Publications (1)

Publication Number Publication Date
GB1309378A true GB1309378A (en) 1973-03-07

Family

ID=19878772

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2797071A Expired GB1309378A (en) 1970-06-16 1971-06-15 Multi-frequency laser interferometers

Country Status (4)

Country Link
DE (1) DE2129899A1 (enrdf_load_stackoverflow)
GB (1) GB1309378A (enrdf_load_stackoverflow)
NO (1) NO125554B (enrdf_load_stackoverflow)
SE (1) SE379244B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360271A (en) 1978-01-13 1982-11-23 National Research Development Corporation Interferometer systems
US4702603A (en) * 1985-07-23 1987-10-27 Cmx Systems, Inc. Optical phase decoder for interferometers
DE102005038362A1 (de) * 2005-08-11 2007-02-15 Prüftechnik Dieter Busch AG Strahlteiler für optische Meßsysteme zur Bestimmung von Kenngrößen an Werkzeugmaschinen
CN108089217A (zh) * 2017-11-15 2018-05-29 中国工程物理研究院激光聚变研究中心 基于迈克尔逊干涉仪的x射线探测器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360271A (en) 1978-01-13 1982-11-23 National Research Development Corporation Interferometer systems
US4702603A (en) * 1985-07-23 1987-10-27 Cmx Systems, Inc. Optical phase decoder for interferometers
DE102005038362A1 (de) * 2005-08-11 2007-02-15 Prüftechnik Dieter Busch AG Strahlteiler für optische Meßsysteme zur Bestimmung von Kenngrößen an Werkzeugmaschinen
US7714994B2 (en) 2005-08-11 2010-05-11 Prueftechnik Dieter Busch Ag Beam splitter for optical measurement systems for determining the characteristics of machine tools
CN108089217A (zh) * 2017-11-15 2018-05-29 中国工程物理研究院激光聚变研究中心 基于迈克尔逊干涉仪的x射线探测器

Also Published As

Publication number Publication date
DE2129899A1 (de) 1971-12-23
SE379244B (sv) 1975-09-29
NO125554B (enrdf_load_stackoverflow) 1972-09-25

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Legal Events

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