WO2008152879A1 - 光スペクトラムアナライザ - Google Patents

光スペクトラムアナライザ Download PDF

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Publication number
WO2008152879A1
WO2008152879A1 PCT/JP2008/059028 JP2008059028W WO2008152879A1 WO 2008152879 A1 WO2008152879 A1 WO 2008152879A1 JP 2008059028 W JP2008059028 W JP 2008059028W WO 2008152879 A1 WO2008152879 A1 WO 2008152879A1
Authority
WO
WIPO (PCT)
Prior art keywords
waveguide type
light
acoust
optical spectrum
tunable filter
Prior art date
Application number
PCT/JP2008/059028
Other languages
English (en)
French (fr)
Inventor
Kiyokazu Yamada
Shinji Tanaka
Hideaki Kobayashi
Original Assignee
Murata Manufacturing Co., Ltd.
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 Murata Manufacturing Co., Ltd. filed Critical Murata Manufacturing Co., Ltd.
Priority to JP2009519198A priority Critical patent/JPWO2008152879A1/ja
Publication of WO2008152879A1 publication Critical patent/WO2008152879A1/ja

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J9/0246—Measuring optical wavelength
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/1256—Generating the spectrum; Monochromators using acousto-optic tunable filter

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

　被測定光に含まれる光の波長に依存した光出力を検出する光スペクトラムアナライザであって、圧電基板（３）に、光導波路（４ａ），（４ｂ）、ＩＤＴ（５）、偏光スプリッタ（７），（８）を有する導波路型音響光学波長可変フィルタ（２）を構成する。この圧電基板（３）には導波路型音響光学波長可変フィルタ（２）を加熱保温する温度調整用ヒータ（３１）を設け、導波路型音響光学波長可変フィルタ（２）を所定の一定温度に保つ。演算装置（１６）は、その温度に応じたＩＤＴ（５）に印加する高周波信号の周波数と導波路型音響光学波長可変フィルタ（２）の選択波長との関係を基に被測定光の光スペクトラムを求める。
PCT/JP2008/059028 2007-06-12 2008-05-16 光スペクトラムアナライザ WO2008152879A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009519198A JPWO2008152879A1 (ja) 2007-06-12 2008-05-16 光スペクトラムアナライザ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-154887 2007-06-12
JP2007154887 2007-06-12

Publications (1)

Publication Number Publication Date
WO2008152879A1 true WO2008152879A1 (ja) 2008-12-18

Family

ID=40129492

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/059028 WO2008152879A1 (ja) 2007-06-12 2008-05-16 光スペクトラムアナライザ

Country Status (2)

Country Link
JP (1) JPWO2008152879A1 (ja)
WO (1) WO2008152879A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190116867A (ko) * 2018-04-05 2019-10-15 해성디에스 주식회사 광 센서 소자 및 이를 포함하는 광 센서 패키지
KR20190116868A (ko) * 2018-04-05 2019-10-15 해성디에스 주식회사 근접 센서

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63223571A (ja) * 1987-03-13 1988-09-19 Mitsubishi Electric Corp 光集積スペクトラムアナライザ
JPH11289296A (ja) * 1998-04-02 1999-10-19 Fujitsu Ltd 光伝送装置、光伝送システム及び光端局
JP2003344817A (ja) * 2002-05-23 2003-12-03 Fujitsu Ltd 音響光学チューナブルフィルタの制御回路
WO2007083609A1 (ja) * 2006-01-17 2007-07-26 Murata Manufacturing Co., Ltd. 光スペクトラムアナライザ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3819187B2 (ja) * 1999-09-28 2006-09-06 富士写真フイルム株式会社 マルチバンド画像の分光反射率のスペクトル推定方法およびスペクトル推定システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63223571A (ja) * 1987-03-13 1988-09-19 Mitsubishi Electric Corp 光集積スペクトラムアナライザ
JPH11289296A (ja) * 1998-04-02 1999-10-19 Fujitsu Ltd 光伝送装置、光伝送システム及び光端局
JP2003344817A (ja) * 2002-05-23 2003-12-03 Fujitsu Ltd 音響光学チューナブルフィルタの制御回路
WO2007083609A1 (ja) * 2006-01-17 2007-07-26 Murata Manufacturing Co., Ltd. 光スペクトラムアナライザ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190116867A (ko) * 2018-04-05 2019-10-15 해성디에스 주식회사 광 센서 소자 및 이를 포함하는 광 센서 패키지
KR20190116868A (ko) * 2018-04-05 2019-10-15 해성디에스 주식회사 근접 센서
CN110346806A (zh) * 2018-04-05 2019-10-18 海成帝爱斯株式会社 接近度传感器
KR102069660B1 (ko) * 2018-04-05 2020-01-23 해성디에스 주식회사 근접 센서
KR102079659B1 (ko) * 2018-04-05 2020-02-20 해성디에스 주식회사 광 센서 소자 및 이를 포함하는 광 센서 패키지
TWI698028B (zh) * 2018-04-05 2020-07-01 南韓商海成帝愛斯股份有限公司 光學感測器裝置和包含此光學感測器裝置的封裝件
US10749066B2 (en) 2018-04-05 2020-08-18 Haesung Ds Co., Ltd. Proximity sensor having substrate including light sensing area and temperature sensing area
US11112352B2 (en) 2018-04-05 2021-09-07 Haesung Ds Co., Ltd. Saw based optical sensor device and package including the same

Also Published As

Publication number Publication date
JPWO2008152879A1 (ja) 2010-08-26

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