JPH0255755B2 - - Google Patents

Info

Publication number
JPH0255755B2
JPH0255755B2 JP54159467A JP15946779A JPH0255755B2 JP H0255755 B2 JPH0255755 B2 JP H0255755B2 JP 54159467 A JP54159467 A JP 54159467A JP 15946779 A JP15946779 A JP 15946779A JP H0255755 B2 JPH0255755 B2 JP H0255755B2
Authority
JP
Japan
Prior art keywords
optical path
light
intensity
frequency
phase difference
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
JP54159467A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5681467A (en
Inventor
Hiroshi Takasaki
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.)
TAKASAKI KATSUKO
Original Assignee
TAKASAKI KATSUKO
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 TAKASAKI KATSUKO filed Critical TAKASAKI KATSUKO
Priority to JP15946779A priority Critical patent/JPS5681467A/ja
Publication of JPS5681467A publication Critical patent/JPS5681467A/ja
Publication of JPH0255755B2 publication Critical patent/JPH0255755B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only
    • G01S17/32Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/36Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
JP15946779A 1979-12-07 1979-12-07 Measuring device for distance of two frequency- perpendicularly polarized lights Granted JPS5681467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15946779A JPS5681467A (en) 1979-12-07 1979-12-07 Measuring device for distance of two frequency- perpendicularly polarized lights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15946779A JPS5681467A (en) 1979-12-07 1979-12-07 Measuring device for distance of two frequency- perpendicularly polarized lights

Publications (2)

Publication Number Publication Date
JPS5681467A JPS5681467A (en) 1981-07-03
JPH0255755B2 true JPH0255755B2 (https=) 1990-11-28

Family

ID=15694398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15946779A Granted JPS5681467A (en) 1979-12-07 1979-12-07 Measuring device for distance of two frequency- perpendicularly polarized lights

Country Status (1)

Country Link
JP (1) JPS5681467A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0789147B2 (ja) * 1988-10-31 1995-09-27 シャープ株式会社 距離測定装置
JPH02124581U (https=) * 1989-03-27 1990-10-15
CN101031817B (zh) * 2004-09-30 2011-02-09 Faro科技有限公司 测量移动后向反射器的绝对测距仪
DE112018007552B4 (de) * 2018-06-12 2022-03-10 Mitsubishi Electric Corporation Optische-Distanz-Messungseinrichtung und Bearbeitungseinrichtung

Also Published As

Publication number Publication date
JPS5681467A (en) 1981-07-03

Similar Documents

Publication Publication Date Title
US7864332B2 (en) Differential-phase interferometric system
US5732095A (en) Dual harmonic-wavelength split-frequency laser
US8345258B2 (en) Synchronous frequency-shift mechanism in fizeau interferometer
US5767971A (en) Apparatus for measuring refractive index of medium using light, displacement measuring system using the same apparatus, and direction-of-polarization rotating unit
CN106813901B (zh) 光学器件相位延迟量的测量装置及其测量方法
JP7614067B2 (ja) 光ヘテロダイン干渉測定装置および光ヘテロダイン干渉測定方法
JP3388227B2 (ja) 光分散測定装置およびそれを用いた測定方法
EP0078931B1 (en) Angular rate sensor
JPH0255755B2 (https=)
JPS61219803A (ja) 物理量測定装置
US4068951A (en) Distance measuring apparatus
JP2696117B2 (ja) ビーム分岐光学系を用いたレーザドップラ振動計
JPS60107603A (ja) 偏波保持光フアイバの接続方法
RU2069839C1 (ru) Устройство для определения поперечных смещений
SU569849A1 (ru) Устройство дл измерени углов скручивани
JPS5899761A (ja) 光による電界,磁界測定器
SU1157416A1 (ru) Многолучевой интерференционный эллипсометр
JP2517551B2 (ja) 位相分布測定装置
JP2723977B2 (ja) 回転速度測定方法
JPH06167304A (ja) 変位計
RU1793205C (ru) Устройство дл определени поперечных смещений объекта
JPS5935102A (ja) 偏波面保存光フアイバ形センサ
JPH11325817A5 (https=)
JPS6344171B2 (https=)
JPH0894317A (ja) 変位計