GB2175437B - Improvements relating to control arrangements for frequency modulated light sources - Google Patents

Improvements relating to control arrangements for frequency modulated light sources

Info

Publication number
GB2175437B
GB2175437B GB8510769A GB8510769A GB2175437B GB 2175437 B GB2175437 B GB 2175437B GB 8510769 A GB8510769 A GB 8510769A GB 8510769 A GB8510769 A GB 8510769A GB 2175437 B GB2175437 B GB 2175437B
Authority
GB
United Kingdom
Prior art keywords
light sources
modulated light
frequency modulated
improvements relating
control arrangements
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
GB8510769A
Other versions
GB2175437A (en
Inventor
John Philip Dakin
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8510769A priority Critical patent/GB2175437B/en
Publication of GB2175437A publication Critical patent/GB2175437A/en
Application granted granted Critical
Publication of GB2175437B publication Critical patent/GB2175437B/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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
GB8510769A 1985-04-27 1985-04-27 Improvements relating to control arrangements for frequency modulated light sources Expired GB2175437B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8510769A GB2175437B (en) 1985-04-27 1985-04-27 Improvements relating to control arrangements for frequency modulated light sources

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8510769A GB2175437B (en) 1985-04-27 1985-04-27 Improvements relating to control arrangements for frequency modulated light sources

Publications (2)

Publication Number Publication Date
GB2175437A GB2175437A (en) 1986-11-26
GB2175437B true GB2175437B (en) 1989-04-05

Family

ID=10578322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8510769A Expired GB2175437B (en) 1985-04-27 1985-04-27 Improvements relating to control arrangements for frequency modulated light sources

Country Status (1)

Country Link
GB (1) GB2175437B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3875810D1 (en) * 1987-06-23 1992-12-17 Siemens Ag LASER DIODE TRANSMITTER WITH PROTECTIVE CIRCUIT.
JPH024310A (en) * 1988-06-16 1990-01-09 Kowa Co Method and device for ophthalmological diagnosis
US8175126B2 (en) * 2008-10-08 2012-05-08 Telaris, Inc. Arbitrary optical waveform generation utilizing optical phase-locked loops
CN102782964B (en) 2010-02-19 2014-08-27 加州理工学院 Swept-frequency semiconductor laser coupled to microfabricated biomolecular sensor and methods related thereto

Also Published As

Publication number Publication date
GB2175437A (en) 1986-11-26

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee