CA932808A - Method of modulating a laser beam and related apparatus - Google Patents

Method of modulating a laser beam and related apparatus

Info

Publication number
CA932808A
CA932808A CA073601A CA73601A CA932808A CA 932808 A CA932808 A CA 932808A CA 073601 A CA073601 A CA 073601A CA 73601 A CA73601 A CA 73601A CA 932808 A CA932808 A CA 932808A
Authority
CA
Canada
Prior art keywords
modulating
laser beam
related apparatus
laser
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
CA073601A
Other languages
English (en)
Inventor
F. J. Broom Ronald
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.)
Universitaet Bern
Original Assignee
Universitaet Bern
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 Universitaet Bern filed Critical Universitaet Bern
Application granted granted Critical
Publication of CA932808A publication Critical patent/CA932808A/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
    • 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
    • H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
    • 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
    • H01S5/1021—Coupled cavities
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
CA073601A 1969-02-06 1970-01-30 Method of modulating a laser beam and related apparatus Expired CA932808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH184169A CH503394A (de) 1969-02-06 1969-02-06 Verfahren zur Modulation eines Laserstrahles

Publications (1)

Publication Number Publication Date
CA932808A true CA932808A (en) 1973-08-28

Family

ID=4219848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA073601A Expired CA932808A (en) 1969-02-06 1970-01-30 Method of modulating a laser beam and related apparatus

Country Status (8)

Country Link
US (1) US3663897A (de)
JP (1) JPS501874B1 (de)
CA (1) CA932808A (de)
CH (1) CH503394A (de)
DE (1) DE2004040C3 (de)
FR (1) FR2033305B1 (de)
GB (1) GB1245212A (de)
NL (1) NL7001551A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766393A (en) * 1971-11-22 1973-10-16 Rca Corp Optical data transmission system employing polarization-shift, multiple-cavity laser
JPS53143065U (de) * 1977-04-15 1978-11-11
JPS53152182U (de) * 1977-05-07 1978-11-30
US4594000A (en) * 1983-04-04 1986-06-10 Ball Corporation Method and apparatus for optically measuring distance and velocity
US4753521A (en) * 1984-09-19 1988-06-28 Siemens Aktiengesellschaft Lens system for focussing a divergent laser beam
JPS623534A (ja) * 1985-06-28 1987-01-09 Sharp Corp 光変調装置
JPS6233489A (ja) * 1985-08-07 1987-02-13 Kokusai Denshin Denwa Co Ltd <Kdd> 発光装置
US5073838A (en) * 1989-12-04 1991-12-17 Ncr Corporation Method and apparatus for preventing damage to a temperature-sensitive semiconductor device
KR0153823B1 (ko) * 1995-10-17 1998-12-01 구자홍 반도체 소자 제조 방법
DE19548647C2 (de) * 1995-12-14 2003-01-23 Manfred Gabbert Durchstimmbare, justierstabile Halbleiterlaserlichtquelle sowie ein Verfahren zur optisch stabilen, weitgehend kontinuierlichen Durchstimmung von Halbleiterlasern

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504302A (en) * 1964-09-24 1970-03-31 Gen Electric Frequency controlled semiconductor junction laser
US3478280A (en) * 1966-10-14 1969-11-11 Gen Electric Pulse width modulated laser

Also Published As

Publication number Publication date
FR2033305A1 (de) 1970-12-04
NL7001551A (de) 1970-08-10
FR2033305B1 (de) 1974-03-01
DE2004040A1 (de) 1971-02-11
DE2004040B2 (de) 1973-07-26
JPS501874B1 (de) 1975-01-22
GB1245212A (en) 1971-09-08
CH503394A (de) 1971-02-15
DE2004040C3 (de) 1974-02-21
US3663897A (en) 1972-05-16

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