CH503394A - Verfahren zur Modulation eines Laserstrahles - Google Patents
Verfahren zur Modulation eines LaserstrahlesInfo
- Publication number
- CH503394A CH503394A CH184169A CH184169A CH503394A CH 503394 A CH503394 A CH 503394A CH 184169 A CH184169 A CH 184169A CH 184169 A CH184169 A CH 184169A CH 503394 A CH503394 A CH 503394A
- Authority
- CH
- Switzerland
- Prior art keywords
- modulating
- laser beam
- laser
- Prior art date
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)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH184169A CH503394A (de) | 1969-02-06 | 1969-02-06 | Verfahren zur Modulation eines Laserstrahles |
DE2004040A DE2004040C3 (de) | 1969-02-06 | 1970-01-29 | Verfahren zur Modulation kohärenter optischer Strahlung |
CA073601A CA932808A (en) | 1969-02-06 | 1970-01-30 | Method of modulating a laser beam and related apparatus |
GB5050/70A GB1245212A (en) | 1969-02-06 | 1970-02-03 | Method of modulating a laser beam and related apparatus |
NL7001551A NL7001551A (de) | 1969-02-06 | 1970-02-04 | |
FR707004159A FR2033305B1 (de) | 1969-02-06 | 1970-02-05 | |
JP45010089A JPS501874B1 (de) | 1969-02-06 | 1970-02-06 | |
US9368A US3663897A (en) | 1969-02-06 | 1970-02-06 | Method of modulating a laser beam and related apparatus |
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 |
---|---|
CH503394A true CH503394A (de) | 1971-02-15 |
Family
ID=4219848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH184169A CH503394A (de) | 1969-02-06 | 1969-02-06 | Verfahren zur Modulation eines Laserstrahles |
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)
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)
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 |
-
1969
- 1969-02-06 CH CH184169A patent/CH503394A/de not_active IP Right Cessation
-
1970
- 1970-01-29 DE DE2004040A patent/DE2004040C3/de not_active Expired
- 1970-01-30 CA CA073601A patent/CA932808A/en not_active Expired
- 1970-02-03 GB GB5050/70A patent/GB1245212A/en not_active Expired
- 1970-02-04 NL NL7001551A patent/NL7001551A/xx unknown
- 1970-02-05 FR FR707004159A patent/FR2033305B1/fr not_active Expired
- 1970-02-06 US US9368A patent/US3663897A/en not_active Expired - Lifetime
- 1970-02-06 JP JP45010089A patent/JPS501874B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2033305B1 (de) | 1974-03-01 |
FR2033305A1 (de) | 1970-12-04 |
DE2004040A1 (de) | 1971-02-11 |
NL7001551A (de) | 1970-08-10 |
US3663897A (en) | 1972-05-16 |
DE2004040B2 (de) | 1973-07-26 |
GB1245212A (en) | 1971-09-08 |
CA932808A (en) | 1973-08-28 |
JPS501874B1 (de) | 1975-01-22 |
DE2004040C3 (de) | 1974-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |