JPH01120106U - - Google Patents

Info

Publication number
JPH01120106U
JPH01120106U JP4717488U JP4717488U JPH01120106U JP H01120106 U JPH01120106 U JP H01120106U JP 4717488 U JP4717488 U JP 4717488U JP 4717488 U JP4717488 U JP 4717488U JP H01120106 U JPH01120106 U JP H01120106U
Authority
JP
Japan
Prior art keywords
light waves
condensing
separated
incident
spaced diffraction
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.)
Pending
Application number
JP4717488U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP4717488U priority Critical patent/JPH01120106U/ja
Publication of JPH01120106U publication Critical patent/JPH01120106U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Spectrometry And Color Measurement (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例に係る分光検出器の
構成を示す模式図、第２図は本考案の別の実施例
に係る分光検出器の構成を示す模式図、第３図は
本考案のさらに別の実施例に係る分光検出器の模
式図である。 １……光導波体、２，２ａ……電気光学結晶、
３……グレーテイング結合器、４……光フアイバ
、５……不等間隔回折格子、６ａ，６ｂ……フオ
トダイオード、７……電圧印加装置、１１ａ，１
１ｂ……フオトダイオード群、１２……選択回路
。 Figure 1 is a schematic diagram showing the configuration of a spectroscopic detector according to one embodiment of the present invention, Figure 2 is a schematic diagram showing the configuration of a spectroscopic detector according to another embodiment of the present invention, and Figure 3 is a schematic diagram showing the configuration of a spectroscopic detector according to another embodiment of the present invention. It is a schematic diagram of the spectroscopic detector based on yet another Example of an invention. 1... Optical waveguide, 2, 2a... Electro-optic crystal,
3...Grating coupler, 4...Optical fiber, 5...Unequally spaced diffraction grating, 6a, 6b...Photodiode, 7...Voltage application device, 11a, 1
1b...photodiode group, 12... selection circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被分光光波を拡がりをもつて入射させる手段と
、入射した前記被分光光波を反射させて波長毎に
集光させる不等間隔回折格子体と、前記不等間隔
回折格子体によつて集光された各波長光波をそれ
ぞれ検出する複数の受光素子とを具備してなるこ
とを特徴とする分光検出器。 means for causing the light waves to be separated to be incident with a spread; a nonuniformly spaced diffraction grating for reflecting the incident light waves to be separated and condensing the light waves for each wavelength; and a means for condensing the light waves by the unevenly spaced diffraction gratings. 1. A spectroscopic detector comprising a plurality of light receiving elements that respectively detect light waves of different wavelengths.
JP4717488U 1988-04-07 1988-04-07 Pending JPH01120106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4717488U JPH01120106U (en) 1988-04-07 1988-04-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4717488U JPH01120106U (en) 1988-04-07 1988-04-07

Publications (1)

Publication Number Publication Date
JPH01120106U true JPH01120106U (en) 1989-08-15

Family

ID=31273400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4717488U Pending JPH01120106U (en) 1988-04-07 1988-04-07

Country Status (1)

Country Link
JP (1) JPH01120106U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999046629A1 (en) * 1998-03-11 1999-09-16 Nippon Sheet Glass Co., Ltd. Optical demultiplexer
JP2004258492A (en) * 2003-02-27 2004-09-16 Hitachi Cable Ltd Wavelength-multiplexing demultiplexer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382435A (en) * 1976-12-28 1978-07-20 Nippon Selfoc Co Ltd Wave length dividing and multiplying wave dividing device for use in light beam
JPS5479056A (en) * 1977-12-06 1979-06-23 Nippon Selfoc Co Ltd Method of making wavelength division multiplexing and wave branching device for light beam
JPS54109890A (en) * 1977-12-27 1979-08-28 Ibm Spectrophotometer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382435A (en) * 1976-12-28 1978-07-20 Nippon Selfoc Co Ltd Wave length dividing and multiplying wave dividing device for use in light beam
JPS5479056A (en) * 1977-12-06 1979-06-23 Nippon Selfoc Co Ltd Method of making wavelength division multiplexing and wave branching device for light beam
JPS54109890A (en) * 1977-12-27 1979-08-28 Ibm Spectrophotometer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999046629A1 (en) * 1998-03-11 1999-09-16 Nippon Sheet Glass Co., Ltd. Optical demultiplexer
JP2004258492A (en) * 2003-02-27 2004-09-16 Hitachi Cable Ltd Wavelength-multiplexing demultiplexer

Similar Documents

Publication Publication Date Title
US5016967A (en) Multi-core optical waveguide Bragg grating light redirecting arrangement
DE3778779D1 (en) WAVELENGTH SENSITIVE OPTICAL DEVICES.
JPH04269701A (en) Band pass filter module for light signal
JPH01120106U (en)
JPS62115403A (en) Optical tuner
JPS63167228U (en)
JPH0323326U (en)
JPH02639U (en)
JPS5744823A (en) Fourier spectroscope device
JPH03101449U (en)
JPS62155329U (en)
JPS6355130U (en)
JPS62165546U (en)
JPS55110205A (en) Optical filter
JPS61112238U (en)
JPS5849234U (en) Multi-slit spectrophotometer
JPS63141904U (en)
JPH01142906U (en)
JPS6265542U (en)
JPS61139446U (en)
JPS55121403A (en) Photo multiplexing lens and branching and coupling device
JPS6417435U (en)
JPH01115264U (en)
JPH01155007U (en)
JPS6259810U (en)