DE69400924D1 - Aktive Energiesteuerung Dioden-gepumpter Lasersysteme durch Pulslängenmodulation - Google Patents

Aktive Energiesteuerung Dioden-gepumpter Lasersysteme durch Pulslängenmodulation

Info

Publication number
DE69400924D1
DE69400924D1 DE69400924T DE69400924T DE69400924D1 DE 69400924 D1 DE69400924 D1 DE 69400924D1 DE 69400924 T DE69400924 T DE 69400924T DE 69400924 T DE69400924 T DE 69400924T DE 69400924 D1 DE69400924 D1 DE 69400924D1
Authority
DE
Germany
Prior art keywords
diode
active energy
energy control
pulse length
laser systems
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 - Fee Related
Application number
DE69400924T
Other languages
English (en)
Other versions
DE69400924T2 (de
Inventor
Keith E Nielsen
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 Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Application granted granted Critical
Publication of DE69400924D1 publication Critical patent/DE69400924D1/de
Publication of DE69400924T2 publication Critical patent/DE69400924T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/1127—Q-switching using pulse transmission mode [PTM]
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • H01S3/0933—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of a semiconductor, e.g. light emitting diode
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094076—Pulsed or modulated pumping
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • H01S3/10038—Amplitude control
    • H01S3/10046—Pulse repetition rate control
    • 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
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/115—Q-switching using intracavity electro-optic devices
DE69400924T 1993-01-21 1994-01-21 Aktive Energiesteuerung Dioden-gepumpter Lasersysteme durch Pulslängenmodulation Expired - Fee Related DE69400924T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/006,557 US5291505A (en) 1993-01-21 1993-01-21 Active energy control for diode pumped laser systems using pulsewidth modulation

Publications (2)

Publication Number Publication Date
DE69400924D1 true DE69400924D1 (de) 1997-01-02
DE69400924T2 DE69400924T2 (de) 1997-04-10

Family

ID=21721453

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69400924T Expired - Fee Related DE69400924T2 (de) 1993-01-21 1994-01-21 Aktive Energiesteuerung Dioden-gepumpter Lasersysteme durch Pulslängenmodulation

Country Status (9)

Country Link
US (1) US5291505A (de)
EP (1) EP0608146B1 (de)
JP (1) JP2502940B2 (de)
KR (1) KR0145348B1 (de)
CA (1) CA2113846C (de)
DE (1) DE69400924T2 (de)
ES (1) ES2094620T3 (de)
IL (1) IL108379A (de)
NO (1) NO940205L (de)

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US8225003B2 (en) 1996-11-29 2012-07-17 Ellis Iii Frampton E Computers and microchips with a portion protected by an internal hardware firewall
US7805756B2 (en) 1996-11-29 2010-09-28 Frampton E Ellis Microchips with inner firewalls, faraday cages, and/or photovoltaic cells
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US6009110A (en) * 1998-03-11 1999-12-28 Lightwave Electronics Corporation Pulse amplitude control in frequency-converted lasers
US6339604B1 (en) * 1998-06-12 2002-01-15 General Scanning, Inc. Pulse control in laser systems
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US6418154B1 (en) * 1999-06-07 2002-07-09 Coherent, Inc. Pulsed diode-pumped solid-state laser
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EP1184948A3 (de) * 2000-08-28 2004-10-20 Laser Alignment, Inc. Diodengepumpter Festkörperlaser
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US6806440B2 (en) 2001-03-12 2004-10-19 Electro Scientific Industries, Inc. Quasi-CW diode pumped, solid-state UV laser system and method employing same
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DE10158624A1 (de) * 2001-08-03 2003-03-13 Rofin Sinar Laser Gmbh Verfahren zum Betreiben eines diodengepumpten Festkörperlasers und nach diesem Verfahren betreibbarer diodengepumpter Festkörperlaser
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US6969845B2 (en) * 2002-12-20 2005-11-29 Textron Systems Corporation System and processes for causing the simultaneity of events including controlling a pulse repetition frequency of a pulsed laser for disabling a scanning imaging system
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US7352784B2 (en) * 2004-07-20 2008-04-01 Jds Uniphase Corporation Laser burst boosting method and apparatus
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Also Published As

Publication number Publication date
US5291505A (en) 1994-03-01
KR0145348B1 (ko) 1998-08-17
JPH077210A (ja) 1995-01-10
IL108379A (en) 1998-03-10
DE69400924T2 (de) 1997-04-10
NO940205L (no) 1994-07-22
EP0608146A1 (de) 1994-07-27
CA2113846A1 (en) 1994-07-22
KR940019034A (ko) 1994-08-19
JP2502940B2 (ja) 1996-05-29
NO940205D0 (de) 1994-01-20
ES2094620T3 (es) 1997-01-16
CA2113846C (en) 1999-03-16
EP0608146B1 (de) 1996-11-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: RAYTHEON CO., LEXINGTON, MASS., US

8339 Ceased/non-payment of the annual fee