JPH0430445U - - Google Patents

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Publication number
JPH0430445U
JPH0430445U JP7063690U JP7063690U JPH0430445U JP H0430445 U JPH0430445 U JP H0430445U JP 7063690 U JP7063690 U JP 7063690U JP 7063690 U JP7063690 U JP 7063690U JP H0430445 U JPH0430445 U JP H0430445U
Authority
JP
Japan
Prior art keywords
light
curse
gas
cursed
difference
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.)
Granted
Application number
JP7063690U
Other languages
Japanese (ja)
Other versions
JP2503164Y2 (en
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 JP7063690U priority Critical patent/JP2503164Y2/en
Publication of JPH0430445U publication Critical patent/JPH0430445U/ja
Application granted granted Critical
Publication of JP2503164Y2 publication Critical patent/JP2503164Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Radiation Pyrometers (AREA)

Description

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

第１図は本考案の一実施例の説明図、第２図は
上記一実施例に係る２種類のダイクロイツクフイ
ルタの波長帯域図、第３図は参照光のスペクトル
図、第４図は理論計算により得られたＣＡＲＳ光
のスペクトル図、第５図は実験によつて得られた
Ｎ２ガスのＣＡＲＳ光のスペクトル図、第６図は
従来の装置の説明図である。 １……エキシマレーザ、２……エキシマレーザ
光、３……ハーフミラー、４……全反射ミラー、
５……色素レーザ、６……色素レーザ、７……ポ
ンピング光、８……ストークス光、９……ダイク
ロイツクミラー、１０……全反射ミラー、１１…
…レンズ、１２……計測点、１３……テストセク
シヨン、１３ａ……Ａｒガス噴射ノズル、１３ｂ
……Ａｒガス、１４……レンズ、１５……ダイク
ロイツクミラー、１６……反射光、１７……ダイ
クロイツクフイルタ、１８……ダイクロイツクフ
イルタ、１９……ＣＡＲＳ光、２０……レンズ、
２１……光フアイバ、２１ａ……端面、２２……
レンズ、２３……分光器、２４……光電変換器、
２５……信号処理器。 Fig. 1 is an explanatory diagram of one embodiment of the present invention, Fig. 2 is a wavelength band diagram of two types of dichroic filters according to the above embodiment, Fig. 3 is a spectrum diagram of the reference light, and Fig. 4 is a theoretical diagram. FIG. 5 is a spectrum diagram of CARS light obtained by calculation, FIG. 5 is a spectrum diagram of CARS light of N 2 gas obtained by experiment, and FIG. 6 is an explanatory diagram of a conventional apparatus. 1...Excimer laser, 2...Excimer laser light, 3...Half mirror, 4...Total reflection mirror,
5... Dye laser, 6... Dye laser, 7... Pumping light, 8... Stokes light, 9... Dichroic mirror, 10... Total reflection mirror, 11...
...Lens, 12...Measurement point, 13...Test section, 13a...Ar gas injection nozzle, 13b
...Ar gas, 14...lens, 15...dichroic mirror, 16...reflected light, 17...dichroic filter, 18...dichroic filter, 19...CARS light, 20...lens,
21... Optical fiber, 21a... End face, 22...
Lens, 23... Spectrometer, 24... Photoelectric converter,
25...Signal processor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２種類の波数が異なるレーザ光を発生させ、上
記２つのレーザ光の波数差を計測する気体分子の
振動エネルギ準位差に合わせて上記気体が存在す
る空間に集光しカース光を発生させ、同カース光
を含む光をダイクロイツクミラーに入射してカー
ス光を分離し、同カース光を光フアイバ、分光器
を介して光電変換器に入射し、光電変換された電
気信号を信号処理器に入力して気体分子カース光
をスペクトル解析し、スペクトル波形の違いから
気体温度を計測するカース参照光計測装置におい
て、上記ダイクロイツクミラーにより反射され光
フアイバに入射される光の光路にそれぞれ出し入
れ可能に設けられ透過光の波長帯域が異なる気体
分子用と参照光用のダイクロイツクフイルタを備
えたことを特徴とするカース参照光計測装置。 generating two types of laser beams with different wave numbers, and measuring the wave number difference between the two laser beams; focusing the light on a space where the gas exists in accordance with the vibrational energy level difference of gas molecules to generate curse light; Light containing the cursed light is input to a dichroic mirror to separate the cursed light, the cursed light is inputted to a photoelectric converter via an optical fiber and a spectrometer, and the photoelectrically converted electric signal is sent to a signal processor. In a curse reference light measuring device that spectrally analyzes the gas molecule curse light by inputting it and measures the gas temperature from the difference in the spectral waveform, it can be inserted into and taken out from the optical path of the light reflected by the dichroic mirror and input to the optical fiber. What is claimed is: 1. A Curse reference light measurement device characterized by comprising dichroic filters for gas molecules and reference light, each of which has a different wavelength band of transmitted light.
JP7063690U 1990-07-04 1990-07-04 Gas temperature measuring device Expired - Lifetime JP2503164Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7063690U JP2503164Y2 (en) 1990-07-04 1990-07-04 Gas temperature measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7063690U JP2503164Y2 (en) 1990-07-04 1990-07-04 Gas temperature measuring device

Publications (2)

Publication Number Publication Date
JPH0430445U true JPH0430445U (en) 1992-03-11
JP2503164Y2 JP2503164Y2 (en) 1996-06-26

Family

ID=31606959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7063690U Expired - Lifetime JP2503164Y2 (en) 1990-07-04 1990-07-04 Gas temperature measuring device

Country Status (1)

Country Link
JP (1) JP2503164Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116337273A (en) * 2023-05-29 2023-06-27 中国空气动力研究与发展中心设备设计与测试技术研究所 CARS spectrum multi-point temperature measuring device based on double micro-lens arrays

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116337273A (en) * 2023-05-29 2023-06-27 中国空气动力研究与发展中心设备设计与测试技术研究所 CARS spectrum multi-point temperature measuring device based on double micro-lens arrays
CN116337273B (en) * 2023-05-29 2023-07-28 中国空气动力研究与发展中心设备设计与测试技术研究所 CARS spectrum multi-point temperature measuring device based on double micro-lens arrays

Also Published As

Publication number Publication date
JP2503164Y2 (en) 1996-06-26

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