JPS642125U - - Google Patents
Info
- Publication number
- JPS642125U JPS642125U JP9713487U JP9713487U JPS642125U JP S642125 U JPS642125 U JP S642125U JP 9713487 U JP9713487 U JP 9713487U JP 9713487 U JP9713487 U JP 9713487U JP S642125 U JPS642125 U JP S642125U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- laser
- light
- heat absorption
- absorption medium
- 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
Links
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Description
第１図は本考案の第１の実施例の構成を示す側
面図、第２図は本考案の第２の実施例の構成を示
す側面図、第３図は本考案の第３の実施例の構成
を示す側面図、第４図は本考案の第４の実施例の
構成を示す側面図である。
主要部分の符号の説明、３…部分透過ミラー、
４，９…光音響セル、５…吸収板、６…吸収ガス
、７，１０，１５…圧力トランスジユーサ、８…
前置増幅器、１３，１４…熱吸収媒質。
Fig. 1 is a side view showing the structure of the first embodiment of the invention, Fig. 2 is a side view showing the structure of the second embodiment of the invention, and Fig. 3 is the third embodiment of the invention. FIG. 4 is a side view showing the structure of a fourth embodiment of the present invention. Explanation of symbols of main parts, 3... Partially transparent mirror,
4, 9... Photoacoustic cell, 5... Absorption plate, 6... Absorbing gas, 7, 10, 15... Pressure transducer, 8...
Preamplifier, 13, 14... heat absorption medium.
Claims (1)
振器を有するレーザ装置のレーザ光モニタリング
装置であつて、前記光共振器の光軸上に、かつ前
記全反射ミラー側に光音響検知器を有し、前記全
反射ミラー側からレーザ光の一部が透過するよう
にし、このレーザ光の一部を前記光音響検知器の
熱吸収媒質に照射し、前記レーザ光の一部の熱に
より生ずる前記熱吸収媒質内の圧力変化を計測し
て前記光共振器から出射される前記レーザ光のパ
ワーモニタリングを行うようにしたことを特徴と
するレーザ光モニタリング装置。 (2) 前記光音響検知器は前記レーザ光の一部を
集光して前記熱吸収媒質に照射する集光手段を有
することを特徴とする実用新案登録請求の範囲第
１項のレーザ光モニタリング装置。[Claims for Utility Model Registration] (1) A laser beam monitoring device for a laser device having an optical resonator consisting of an output mirror and a total reflection mirror, which A photoacoustic detector is provided on the mirror side, and a portion of the laser beam is transmitted from the total reflection mirror side, and a portion of the laser beam is irradiated onto the heat absorption medium of the photoacoustic detector, and the laser beam is A laser beam monitoring device characterized in that the power of the laser beam emitted from the optical resonator is monitored by measuring a pressure change in the heat absorption medium caused by the heat of a part of the light. (2) Laser light monitoring according to claim 1 of the utility model registration claim, wherein the photoacoustic detector has a light focusing means for focusing a part of the laser light and irradiating the heat absorption medium. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9713487U JPS642125U (en) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9713487U JPS642125U (en) | 1987-06-24 | 1987-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642125U true JPS642125U (en) | 1989-01-09 |
Family
ID=30963756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9713487U Pending JPS642125U (en) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642125U (en) |
-
1987
- 1987-06-24 JP JP9713487U patent/JPS642125U/ja active Pending
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