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GB2178591B - Improvements relating to lasers - Google Patents

Improvements relating to lasers

Info

Publication number
GB2178591B
GB2178591B GB8518785A GB8518785A GB2178591B GB 2178591 B GB2178591 B GB 2178591B GB 8518785 A GB8518785 A GB 8518785A GB 8518785 A GB8518785 A GB 8518785A GB 2178591 B GB2178591 B GB 2178591B
Authority
GB
United Kingdom
Prior art keywords
lasers
improvements relating
relating
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
GB8518785A
Other versions
GB2178591A (en
GB8518785D0 (en
Inventor
Dr John Philip Dakin
Dr Philip Barclay Withers
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.)
GE Healthcare UK Ltd
Plessey Co Ltd
Original Assignee
GE Healthcare UK Ltd
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 GE Healthcare UK Ltd, Plessey Co Ltd filed Critical GE Healthcare UK Ltd
Priority to GB8518785A priority Critical patent/GB2178591B/en
Publication of GB8518785D0 publication Critical patent/GB8518785D0/en
Publication of GB2178591A publication Critical patent/GB2178591A/en
Application granted granted Critical
Publication of GB2178591B publication Critical patent/GB2178591B/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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/146—External cavity lasers using a fiber as external cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
GB8518785A 1985-07-25 1985-07-25 Improvements relating to lasers Expired GB2178591B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8518785A GB2178591B (en) 1985-07-25 1985-07-25 Improvements relating to lasers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8518785A GB2178591B (en) 1985-07-25 1985-07-25 Improvements relating to lasers

Publications (3)

Publication Number Publication Date
GB8518785D0 GB8518785D0 (en) 1985-08-29
GB2178591A GB2178591A (en) 1987-02-11
GB2178591B true GB2178591B (en) 1989-09-13

Family

ID=10582842

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8518785A Expired GB2178591B (en) 1985-07-25 1985-07-25 Improvements relating to lasers

Country Status (1)

Country Link
GB (1) GB2178591B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189073B (en) * 1986-04-12 1990-07-04 Stc Plc Laser oscillator
GB2202404B (en) * 1987-03-13 1991-01-02 Plessey Co Plc Apparatus for optical wavelength division multiplexing
JPH0777279B2 (en) * 1990-07-27 1995-08-16 パイオニア株式会社 Optical pulse generator
US5305336A (en) * 1992-01-29 1994-04-19 At&T Bell Laboratories Compact optical pulse source

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053979A (en) *
EP0094709A2 (en) * 1982-05-13 1983-11-23 Koninklijke Philips Electronics N.V. Laser device and interferometer comprising such a laser device
US4502144A (en) * 1982-06-10 1985-02-26 Westinghouse Electric Corp. Gain tuned laser resonator
EP0176329A2 (en) * 1984-09-24 1986-04-02 Xerox Corporation Laser diodes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053979A (en) *
EP0094709A2 (en) * 1982-05-13 1983-11-23 Koninklijke Philips Electronics N.V. Laser device and interferometer comprising such a laser device
US4502144A (en) * 1982-06-10 1985-02-26 Westinghouse Electric Corp. Gain tuned laser resonator
EP0176329A2 (en) * 1984-09-24 1986-04-02 Xerox Corporation Laser diodes

Also Published As

Publication number Publication date
GB2178591A (en) 1987-02-11
GB8518785D0 (en) 1985-08-29

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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

Effective date: 19920725