CA2200569A1 - Compression-tuned fiber laser - Google Patents

Compression-tuned fiber laser

Info

Publication number
CA2200569A1
CA2200569A1 CA002200569A CA2200569A CA2200569A1 CA 2200569 A1 CA2200569 A1 CA 2200569A1 CA 002200569 A CA002200569 A CA 002200569A CA 2200569 A CA2200569 A CA 2200569A CA 2200569 A1 CA2200569 A1 CA 2200569A1
Authority
CA
Canada
Prior art keywords
fiber laser
compression
tuned
laser
cavity
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.)
Granted
Application number
CA002200569A
Other languages
French (fr)
Other versions
CA2200569C (en
Inventor
Gary A. Ball
William W. Morey
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.)
Raytheon Technologies Corp
Original Assignee
Gary A. Ball
William W. Morey
United Technologies Corporation
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 Gary A. Ball, William W. Morey, United Technologies Corporation filed Critical Gary A. Ball
Publication of CA2200569A1 publication Critical patent/CA2200569A1/en
Application granted granted Critical
Publication of CA2200569C publication Critical patent/CA2200569C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • 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
    • H01S3/1055—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 one of the reflectors being constituted by a diffraction grating

Abstract

A fiber laser (26) including a rare-earth doped fiber laser cavity (32) delimited by a pair of reflective elements (28, 30), such as Bragg gratings, is tuned by compressing the cavity (32) and the gratings (28, 30).
Because an optical fiber is much stronger under compression than in tension, the laser (26) is tunable over a much broader range than conventional tension/stretching techniques.
CA002200569A 1994-09-30 1995-09-21 Compression-tuned fiber laser Expired - Lifetime CA2200569C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/316,281 US5691999A (en) 1994-09-30 1994-09-30 Compression-tuned fiber laser
US08/316,281 1994-09-30
PCT/US1995/012120 WO1996010854A1 (en) 1994-09-30 1995-09-21 Compression-tuned fiber laser

Publications (2)

Publication Number Publication Date
CA2200569A1 true CA2200569A1 (en) 1996-04-11
CA2200569C CA2200569C (en) 2005-01-11

Family

ID=23228361

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002200569A Expired - Lifetime CA2200569C (en) 1994-09-30 1995-09-21 Compression-tuned fiber laser

Country Status (7)

Country Link
US (1) US5691999A (en)
EP (1) EP0783780B1 (en)
JP (1) JP3824323B2 (en)
CA (1) CA2200569C (en)
DE (1) DE69506273T2 (en)
ES (1) ES2125664T3 (en)
WO (1) WO1996010854A1 (en)

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Also Published As

Publication number Publication date
EP0783780B1 (en) 1998-11-25
EP0783780A1 (en) 1997-07-16
DE69506273D1 (en) 1999-01-07
JP3824323B2 (en) 2006-09-20
US5691999A (en) 1997-11-25
CA2200569C (en) 2005-01-11
DE69506273T2 (en) 1999-04-22
ES2125664T3 (en) 1999-03-01
WO1996010854A1 (en) 1996-04-11
JPH10507036A (en) 1998-07-07

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Effective date: 20150921