KR850002943A - Laser systems - Google Patents

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KR850002943A
KR850002943A KR1019840006666A KR840006666A KR850002943A KR 850002943 A KR850002943 A KR 850002943A KR 1019840006666 A KR1019840006666 A KR 1019840006666A KR 840006666 A KR840006666 A KR 840006666A KR 850002943 A KR850002943 A KR 850002943A
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South Korea
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laser
laser system
rod
cavity
mirror
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KR1019840006666A
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Korean (ko)
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예스식 마이클
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제임스 케이. 페리. 쥬니어
바우쉬 엔드 롬 인코오포레이티드
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Publication of KR850002943A publication Critical patent/KR850002943A/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F9/00821—Methods or devices for eye surgery using laser for coagulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam
    • 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
    • H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
    • H01S3/093—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp focusing or directing the excitation energy into the active medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00844—Feedback systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00855—Calibration of the laser system
    • 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
    • H01S3/0912—Electronics or drivers for the pump source, i.e. details of drivers or circuitry specific for laser 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2383—Parallel arrangements

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Electromagnetism (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Plasma & Fusion (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Laser Surgery Devices (AREA)
  • Lasers (AREA)

Abstract

내용 없음No content

Description

레이저 시스템Laser systems

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 안과의 외과적 처치용 레이저 시스템의 정면도. 제2도는 제1의 레이저 시스템의 측면도, 제3도는 제2도의 선 3-3을 따라 취한, 본 발명의 레이저 어샘블리의 저면도.1 is a front view of a laser system for surgical treatment of an ophthalmology of the present invention. 2 is a side view of the first laser system, and FIG. 3 is a bottom view of the laser assembly of the present invention, taken along line 3-3 of FIG.

Claims (26)

안과의 외과적 처치용 레이저 시스템에 있어서, 광 펌핑 공동에 고정된 레이저 로드와, 상기 레이저 로드와 비 병렬 관계로 상기 펌핑 공동에 배치된 여기 플래시램프와, 상기 펌핑 공동의 내면에 가해진 교반사율의 확산 반사성 코우팅과, 상기 레이저 로드와 함께 불완전 레이저 공진기를 한정하기 위한 거울수단과, 설정된 전압과 일시적 스페이싱과 수의 전기 펄스들로 상기 플래시램프를 작동시키기 위한 제어수단과, 외과 환자의 눈에 레이저 출력 펄스들을 전달하기 위한 장치로 포함하고 있는 것을 특징으로 하는 레이저 시스템.A laser system for ophthalmic surgical treatment, comprising: a laser rod fixed to an optical pumping cavity, an excitation flashlamp disposed in the pumping cavity in a non-parallel relationship with the laser rod, and an agitation modulus applied to an inner surface of the pumping cavity Diffuse reflecting coating, mirror means for defining an incomplete laser resonator with the laser rod, control means for operating the flashlamp with a set voltage, temporary spacing and a number of electrical pulses, in the eyes of a surgical patient And a device for delivering laser output pulses. 제1항에 있어서, 상기 거울 수단과 상기 레이저 로드 사이에 삽입된 Q-스위치 수단을 포함하고 있고, 상기 제어 수단이 상기 플래시램프 작동과 시간적 동시성으로 상기 Q-스위치 수단을 작동시키기 위한 수단을 포함하고 있는 것을 특징으로 하는 레이저 시스템.2. The apparatus according to claim 1, comprising Q-switch means inserted between said mirror means and said laser rod, said control means including means for operating said Q-switch means in time synchronism with said flashlamp operation. Laser system characterized in that. 제1항에 있어서, 상기 광 펌핑 공동이 폐연속 곡면으로 일반적으로 형성된 것을 특징으로 하는 레이저 시스템.The laser system of claim 1, wherein said light pumping cavity is generally formed of a closed continuous curved surface. 제3항에 있어서, 상기 곡면이 구형으로 구성하고 있는 것을 특징으로 하는 레이저 시스템.The laser system according to claim 3, wherein the curved surface has a spherical shape. 제1항에 있어서, 상기 레이저 로드의 상기 플래시램프가 밀접하게 간격진 대략직교 관계로 배치되어 있는 것을 특징으로 하는 레이저 시스템.The laser system according to claim 1, wherein the flash lamps of the laser rod are arranged in closely spaced orthogonal relations. 제3항에 있어서, 상기 펌핑 공동이 레이저 보디 부재에 배치되어 있고, 상기 부재가 고 열전도도 및 커패시티를 가진 재료로 형성되어 있는 것을 특징으로 하고 있는 레이저 시스템.4. The laser system according to claim 3, wherein said pumping cavity is disposed in a laser body member, and said member is formed of a material having high thermal conductivity and capacity. 제1항에 있어서, 상기 코우팅이 황산 바륨가루와, 상기 표면에 상기 가루를 고정시키기 위한 수단으로 구성하고 있는 것을 특징으로 하는 레이저 시스템.The laser system according to claim 1, wherein the coating comprises barium sulfate powder and means for fixing the powder to the surface. 제1항에 있어서, 상기 거울 수단이 제1오목 거울과 제2블록 거울을 포함하고 있는 것을 특징으로 하는 레이저 시스템.The laser system of claim 1, wherein said mirror means comprises a first concave mirror and a second block mirror. 제8항에 있어서, 상기 제2 거울이 레이저 시스템 과정으로 고 반사성 코우팅을 가진 중앙에 배치된 점과, 출력 결합기로 사용하고 레이저 비임의 일부분을 통과하도록 반사 탕진 고우팅으로 형성된 상기 점 주위이 환상형 주변을 포함하고 있는 것을 특징으로 하는 레이저 시스템.9. The system of claim 8, wherein the second mirror is centrally located with a highly reflective coating in the course of a laser system, and around the point formed with a reflective dust coating to be used as an output coupler and pass through a portion of the laser beam. A laser system comprising a mold periphery. 제9항에 있어서, 그 펄스 출력 비임과 일련하여 상기 레이저 로드의 광축을 따라 지항된 출력비임을 가진 연속출력 가스 레이저를 포함하고 있는 것을 특징으로 하는 레이저 시스템.10. The laser system of claim 9, comprising a continuous output gas laser having an output beam directed along the optical axis of the laser rod in series with the pulse output beam. 제10항에 있어서, 상기 거울들이 상기 가스 레이저의 출력 비임과 파장에 대략 투명한 것을 특징으로 하는 레이저 시스템.11. The laser system of claim 10, wherein said mirrors are approximately transparent to the output beam and wavelength of said gas laser. 제1항에 있어서, 상기 레이저 로드가 이트륨-알루미늄-가아네트로 형성되어 있고, 고 이득 레이저 로드를 형성하도록 네오디뮬로 비교적 높게 도우프된 것을 특징으로 하는 레이저 시스템.2. The laser system of claim 1, wherein the laser rod is formed of yttrium-aluminum-ganette and doped relatively high with neodymule to form a high gain laser rod. 제1항에 있어서, 상기 제어 수단에 마이크로 프로세서 제어기를 포함하고 있는 것을 특징으로 하는 레이저 시스템.The laser system according to claim 1, wherein said control means includes a microprocessor controller. 제13항에 있어서, 상기 마이크로프로세서 제어기가 상기 Q-스위치 수단을 개방하고, 밀접하게 간격진 펄스들로 상기 플래시램프를 작동시키고, 프리 런닝 열모우드로 상기 레이저 로드로 하여금 레이저 광선을 발하게 하기 위한 프로그램 수단을 포함하고 있는 것을 특징으로 하는 레이저 시스템.14. The apparatus of claim 13, wherein the microprocessor controller opens the Q-switch means, operates the flashlamp with closely spaced pulses, and causes the laser rod to emit a laser beam with a free running thermal mode. A laser system comprising program means. 제14항에 있어서, 상기 펄스들이 고 이득 동작을 이루도록 상기 레이저 로드의 전자 방사 밴드 집단 역전의 쇠퇴시간보다 더 작은 간격으로 일시적으로 간격진 것을 특징으로 하는 레이저 시스템.15. The laser system of claim 14, wherein the pulses are temporarily spaced at intervals less than the decay time of the electromagnetic radiation band population reversal of the laser rod to achieve high gain operation. 제13항에 있어서, 상기 마르크로 프로세서 제어기가 Q-스위치 모우드 동작을 달성하도록 상기 플래시램프 작동과 동시에 상기 Q-스위치 수단을 작동시키기 위한 프로그램 수단을 포함하고 있는 것을 특징으로 하는 레이저 시스템.15. The laser system of claim 13, wherein said mark processor processor comprises program means for operating said Q-switch means simultaneously with said flashlamp operation to achieve a Q-switch mode operation. 제13항에 있어서, 그 외에 상기 플래시램프에 연결된 다수의 펄스 형성 회로를 포함하고 있는 것을 특징으로 하는 레이저 시스템.14. The laser system of claim 13, further comprising a plurality of pulse shaping circuits connected to said flash lamp. 제17항에 있어서, 상기 펄스 여기 회로들이 이진의 애드레스지정 가능한형으로 배열되어 있는 것을 특징으로 하는 레이저 시스템.18. The laser system of claim 17, wherein the pulse excitation circuits are arranged in a binary addressable form. 제13항에 있어서, 그외에 상기 레이저 출력 펄스들의 일부분을 수신하도록 배치된 포토센서를 포함하고 있는 것을 특징으로 하는 레이저 시스템.14. The laser system of claim 13, further comprising a photosensor arranged to receive a portion of said laser output pulses. 제19항에 있어서, 상기 마이크로 프로세서 제어기가 상기 출력 펄스들의 에너지를 결정하도록 상기 포토센서로부터의 신호를 적분하기 위한 장치들을 포함하고 있는 것을 특징으로 하는 레이저 시스템.20. The laser system of claim 19, wherein said microprocessor controller includes devices for integrating a signal from said photosensor to determine energy of said output pulses. 제21항에 있어서, 그 외에 상기 출력 펄스들의 측정 에너지가 예상펄스 에너지와 아주 벗어났을 때 상기 플래시램프에 가해진 상기 설정전압을 변경하기 위하여 상기 제어 시스템에 궤환 루우프 수단을 포함하고 있는 것을 특징으로 하는 레이저 시스템.22. The control system as set forth in claim 21, further comprising a feedback loop means in said control system for changing said set voltage applied to said flash lamp when the measured energy of said output pulses is far from an expected pulse energy. Laser system. 레이저보디 부재와, 상기 부재내에 배치된 폐곡 공동과, 광 측과 서로 선형으로 배치되고 상기 공동을 통하여 뻗어있는 레이저 로드와, 상기 레이저 로드와 비병렬 관계로 상기 공동을 통하여 뻗어 있는 플래시램프와, 상기 공동의 내면상의 고효율의 확산 반사 코우팅을 포함하고 있는 것을 특징으로 하는 레이저용 광펌핑 어셈블리.A laser body member, a closed curved cavity disposed in the member, a laser rod disposed linearly with the light side and extending through the cavity, a flash lamp extending through the cavity in a non-parallel relationship with the laser rod; And a highly efficient diffuse reflection coating on the inner surface of the cavity. 제22항에 있어서, 상기 공동이 구형의 형상인 것을 특징으로 하는 광 펌핑 어셈블리.The light pumping assembly of claim 22 wherein the cavity is spherical in shape. 제22항에 있어서, 상기 플래시램프가 상기 레이저 로드에 의해 일반적으로 직교하게 배치되고 거기에 밀접하게 간격져 있는 것을 특징으로 하는 광 펌핑 어셈블리.23. The light pumping assembly of claim 22 wherein the flashlight is generally orthogonal and closely spaced by the laser rod. 제22항에 있어서, 상기 레이저 보디 부재가 고 열 전도도 및 커패시티의 재료로 형성되어 있는 것을 특징으로 하는 괌 펌핑 어셈블리.23. The Guam pumping assembly according to claim 22, wherein the laser body member is formed of a material of high thermal conductivity and capacity. 레이저 전기 제어 시스템들을 수용하기 위한 접지 결속 케비넷과, 테이블 부재와, 환자의 높이를 조절하도록 수직으로 이동 가능한 형으로 상기 캐비넷에 상기 테이블 부재를 고정시키기 위한 수단과, 상기 테이블 부대로부터 상부로 뻗어있는 슬릿램프 생체현미경과, 상기 테이블 부재의 더 낮은 면에 고정된 소형 레이저와, 상기 슬릿 램프 생체 현미경에 직접 상기 레이저를 결합시키기 위한 수단으로 포함하고 있는 것을 특징으로 하는 안과의 외과적 처치용 레이저 시스템.A ground binding cabinet for accommodating laser electrical control systems, a table member, means for securing the table member to the cabinet in a vertically movable manner to adjust the height of the patient, and extending upward from the table bag Laser system for ophthalmic surgical treatment comprising a slit lamp biomicroscope, a small laser fixed to the lower side of the table member, and a means for directly coupling the laser to the slit lamp biomicroscope. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840006666A 1983-10-28 1984-10-26 Laser systems KR850002943A (en)

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Publication number Priority date Publication date Assignee Title
DE3608287A1 (en) * 1986-03-12 1991-05-29 Rodenstock Instr DEVICE FOR MIRRORING A LASER BEAM INTO A SLIT LAMP DEVICE
DE3806941A1 (en) * 1988-03-03 1989-09-07 Rodenstock Instr SLIT LAMP DEVICE FOR LASER TREATMENT OF THE EYE
JP2673303B2 (en) * 1988-04-22 1997-11-05 三菱電機株式会社 Negative branch unstable laser cavity
GB9613733D0 (en) * 1996-07-01 1996-09-04 Spectron Laser Systems Ltd Irradiating device
CN2817788Y (en) * 2005-07-19 2006-09-20 冯丹藜 Automatic frequency-variable laser amblyopia therapeutic device
EP1949511A1 (en) 2005-11-14 2008-07-30 Selex Sensors and Airborne Systems Limited Timing of a q-switch to suppress pre-lasing of the laser
DE102012113007B3 (en) * 2012-12-21 2014-02-06 Ushio Denki Kabushiki Kaisha Method for controlling discharge plasma radiation source based on pulsed radiation stabilization, involves determining calibration function if deviation value between statistical value and reference value exceeds preset tolerance range
EP2822113A3 (en) * 2013-06-28 2015-03-25 Canon Kabushiki Kaisha Pulse laser and photoacoustic apparatus
CN111992544B (en) * 2020-08-24 2022-07-26 中国科学院半导体研究所 Acousto-optic Q double-pulse laser paint removing method

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US3423691A (en) * 1963-09-04 1969-01-21 Gen Electric Disk laser having pumping means in indirect optical communication with the disk end faces
DE1614560A1 (en) * 1967-07-11 1970-08-20 Siemens Ag Optical molecular amplifier
US3680000A (en) * 1971-03-19 1972-07-25 Bell Telephone Labor Inc Laser arrangement including a cavity defined by convex and concave mirrors
US3919663A (en) * 1974-05-23 1975-11-11 United Technologies Corp Method and apparatus for aligning laser reflective surfaces
GB1509365A (en) * 1975-06-17 1978-05-04 Perkin Elmer Corp Rf excited gas arc lamp
FR2378384A2 (en) * 1977-01-21 1978-08-18 Comp Generale Electricite LASER HEAD AND APPLICATION TO A LASER GENERATOR DEVICE
FR2442622A1 (en) * 1978-06-08 1980-06-27 Aron Rosa Daniele OPHTHALMOLOGICAL SURGERY APPARATUS
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