KR930001531A - Frequency stabilization and wavelength scanning method and apparatus of wavelength tunable laser using linear photodiode array - Google Patents

Frequency stabilization and wavelength scanning method and apparatus of wavelength tunable laser using linear photodiode array Download PDF

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Publication number
KR930001531A
KR930001531A KR1019910009320A KR910009320A KR930001531A KR 930001531 A KR930001531 A KR 930001531A KR 1019910009320 A KR1019910009320 A KR 1019910009320A KR 910009320 A KR910009320 A KR 910009320A KR 930001531 A KR930001531 A KR 930001531A
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South Korea
Prior art keywords
photodiode array
laser
wavelength
frequency stabilization
scanning method
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KR1019910009320A
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Korean (ko)
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KR940010001B1 (en
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이종민
정도영
차병헌
김성호
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임창생
재단법인 한국원자력연구소
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Publication of KR930001531A publication Critical patent/KR930001531A/en
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Publication of KR940010001B1 publication Critical patent/KR940010001B1/en

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    • 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
    • H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
    • H01S3/137—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity for stabilising of frequency

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)

Abstract

내용 없음No content

Description

선형 광다이오드 어레이(linear photodiode array)를 이용한 파장가변 레이저의 주파수 안정화 및 정밀 파장 스캐닝(wavelength scanning)방법과 장치Frequency stabilization and wavelength scanning method and apparatus of wavelength tunable laser using linear photodiode array

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 선형 광다이오드 어레이를 이용한 주파수 안정화 및 정밀 파장스캐닝 장치의 오차신호 발생 원리도.1 is a principle diagram of error signal generation in a frequency stabilization and precision wavelength scanning apparatus using a linear photodiode array.

제2도는 레이저의 주파수 안정화 및 정밀 파장스캐닝 장치의 개략도.2 is a schematic diagram of a frequency stabilization and precision wavelength scanning apparatus of a laser.

Claims (3)

에탈론 또는 간섭계의 간섭무늬를 선형 광다이오드 어레이로 감시하여 이를 펄스용 레이저 흑은 연속발진형 레이저의 주파수 안정화와 발진 종모드수 제어에 이용함을 특징으로 하는 선형 광다이오드 어레이를 이용한 파장가변 레이저의 주파수 안정화 및 정밀 파장스캐닝 방법.An interference pattern of an etalon or an interferometer is monitored by a linear photodiode array, which is used for frequency stabilization and control of the oscillation seed mode number of a pulsed laser or a continuous oscillation laser. Frequency stabilization and precision wavelength scanning method. 에탈론 또는 간섭계의 간섭무늬를 선형 광다이오드 어레이로 감시하여 이를 펄스용 레이저 혹은 연속발진형 레이저의 파장 스캐닝 및 파장스캐닝시 종모드수 제어에 이용함을 특징으로 하는 선형 광다이오드 어레이를 이용한 파장가변 레이저의 주파수 안정화 및 정밀 파장스캐닝 방법.A wavelength-variable laser using a linear photodiode array characterized by monitoring the interference pattern of an etalon or interferometer with a linear photodiode array and controlling it for wavelength scanning and wavelength scanning of a pulse laser or a continuous oscillation laser. Frequency stabilization and precision wavelength scanning method. 레이저 빔(4)의 일부가 빔스프리터(3)에 의해 온도 안정화된 에탈론(간섭계) (5)에 입사되고 그 간섭무뉘(9)를 선형 광다이오드 어레이(1)에 입사시켜 이를 궤환신호발생을 위한 전기회로(6)에 입력시키며, 이로부터 나온 신호를 압진소자 혹은 공진기 공기압 조절장치(7) 및 회절격자(8) 조필장치에 연결, 레이저 공진기(2)에 궤환시킴을 특징으로 하는 선형 광다이오드 어레이를 이용한 파장가변 레이저의 주파수 안정화 및 정밀 파장스캐닝 방법과 장치.A part of the laser beam 4 is incident on the temperature stabilized etalon (interferometer) 5 by the beam splitter 3 and the interference portion 9 is incident on the linear photodiode array 1 to generate a feedback signal. Linear to the laser resonator (2), which is input to an electrical circuit (6) for connection, and the signal from this is connected to a pressure compensator (7) and a diffraction grating (8) refill device. Frequency stabilization and precise wavelength scanning method of wavelength tunable laser using photodiode array. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910009320A 1991-06-04 1991-06-04 Method and apparatus of wavelength scanning KR940010001B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910009320A KR940010001B1 (en) 1991-06-04 1991-06-04 Method and apparatus of wavelength scanning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910009320A KR940010001B1 (en) 1991-06-04 1991-06-04 Method and apparatus of wavelength scanning

Publications (2)

Publication Number Publication Date
KR930001531A true KR930001531A (en) 1993-01-16
KR940010001B1 KR940010001B1 (en) 1994-10-19

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KR1019910009320A KR940010001B1 (en) 1991-06-04 1991-06-04 Method and apparatus of wavelength scanning

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KR940010001B1 (en) 1994-10-19

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