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JPS58149703U - Transmission fiber trouble detection safety device - Google Patents

Transmission fiber trouble detection safety device

Info

Publication number
JPS58149703U
JPS58149703U JP1982045912U JP4591282U JPS58149703U JP S58149703 U JPS58149703 U JP S58149703U JP 1982045912 U JP1982045912 U JP 1982045912U JP 4591282 U JP4591282 U JP 4591282U JP S58149703 U JPS58149703 U JP S58149703U
Authority
JP
Japan
Prior art keywords
power laser
transmission fiber
safety device
laser light
laser beam
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
JP1982045912U
Other languages
Japanese (ja)
Other versions
JPH034918Y2 (en
Inventor
土井　譲
Original Assignee
旭光学工業株式会社
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 旭光学工業株式会社 filed Critical 旭光学工業株式会社
Priority to JP1982045912U priority Critical patent/JPS58149703U/en
Publication of JPS58149703U publication Critical patent/JPS58149703U/en
Application granted granted Critical
Publication of JPH034918Y2 publication Critical patent/JPH034918Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Laser Surgery Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

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を示すブロック的な説明図、
第２図は設定レベルＡの基準電圧と欠陥箇所を持ったフ
ァイバー６の発光特性を示したグラフ図である。 １・・・・・・レーザー光源、２・・・・・・パワーレ
ーザー光、３・・・・・・シャッター機構、４・・ａｓ
ｓｓ　ミラー、５・・曲集光レンズ、６・・・・・・フ
ァイバー、７・・：・・・第２次光、８・・・・・・フ
ィルター、９・・・・・・検出器、１０・・−増幅回路
、１４・・・・・・シャッター駆動回路。FIG. 1 is a block explanatory diagram showing an embodiment of the present invention;
FIG. 2 is a graph showing the reference voltage of the set level A and the light emission characteristics of the fiber 6 having a defective portion. 1...Laser light source, 2...Power laser light, 3...Shutter mechanism, 4...as
ss Mirror, 5...Curved condensing lens, 6...Fiber, 7...Second order light, 8...Filter, 9...Detector , 10...-amplifier circuit, 14... shutter drive circuit.

Claims (1)

【実用新案登録請求の範囲】 １　パワーレーザー光源と、伝送用ファイバーの入射端
面に該パワーレーザー光源から出射されたパワーレーザ
ー光を集光する光学系と、パワーレーザー光の照射を遮
断する装置とを備えた工業用レーザー加工機や医療用レ
ーザー装置等において、上記伝送用ファイバーの入射端
面から出射された第２字光を検出する手段説、該検出手
段によって検知された第２次光が所定のレベルに達した
場合に上記パワーレーザー光を遮断する装置を作動させ
る回路系とからなることを特徴とする伝送用ファイ共−
のトラブル検出安全装置。 ２　上記検出手段の前にパワーレーザー光をカットする
フィルターを設けたことを特徴とする実用新案登録請求
の範囲第１項記載の伝送用ファイバーのトラブル検出安
全装置。[Scope of Claim for Utility Model Registration] 1. A power laser light source, an optical system that focuses the power laser light emitted from the power laser light source onto the input end face of a transmission fiber, and a device that blocks irradiation of the power laser light. In an industrial laser processing machine or a medical laser device, etc., equipped with a transmission fiber, a method for detecting the second-order light emitted from the input end face of the transmission fiber, the second-order light detected by the detection means is a predetermined one. and a circuit system that operates a device that cuts off the power laser beam when the power laser beam reaches the level of .
Trouble detection safety device. 2. The safety device for detecting trouble in a transmission fiber according to claim 1, characterized in that a filter for cutting off the power laser beam is provided in front of the detection means.
JP1982045912U 1982-03-31 1982-03-31 Transmission fiber trouble detection safety device Granted JPS58149703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982045912U JPS58149703U (en) 1982-03-31 1982-03-31 Transmission fiber trouble detection safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982045912U JPS58149703U (en) 1982-03-31 1982-03-31 Transmission fiber trouble detection safety device

Publications (2)

Publication Number Publication Date
JPS58149703U true JPS58149703U (en) 1983-10-07
JPH034918Y2 JPH034918Y2 (en) 1991-02-07

Family

ID=30056916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982045912U Granted JPS58149703U (en) 1982-03-31 1982-03-31 Transmission fiber trouble detection safety device

Country Status (1)

Country Link
JP (1) JPS58149703U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61242776A (en) * 1985-04-19 1986-10-29 Nec Corp Laser beam machine
WO2010041564A1 (en) * 2008-10-09 2010-04-15 独立行政法人情報通信研究機構 Fiber fuse detector
JP2010514108A (en) * 2006-12-22 2010-04-30 オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツング Light emitting device
JP2011192848A (en) * 2010-03-15 2011-09-29 Fujitsu Ltd Optical transmission device, laser module, fault detection method of the laser module, and fault detection program of the laser module
WO2017033333A1 (en) * 2015-08-27 2017-03-02 オリンパス株式会社 Optical connector and light source device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640737A (en) * 1979-09-11 1981-04-17 Asahi Optical Co Ltd Damage detector for optical fiber for laser power transmission
JPS5729346A (en) * 1980-07-31 1982-02-17 Medos Kenkyusho Kk Detection safety device for trouble of fiber for transmitting laser power

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640737A (en) * 1979-09-11 1981-04-17 Asahi Optical Co Ltd Damage detector for optical fiber for laser power transmission
JPS5729346A (en) * 1980-07-31 1982-02-17 Medos Kenkyusho Kk Detection safety device for trouble of fiber for transmitting laser power

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61242776A (en) * 1985-04-19 1986-10-29 Nec Corp Laser beam machine
JP2010514108A (en) * 2006-12-22 2010-04-30 オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツング Light emitting device
WO2010041564A1 (en) * 2008-10-09 2010-04-15 独立行政法人情報通信研究機構 Fiber fuse detector
JP5470589B2 (en) * 2008-10-09 2014-04-16 独立行政法人情報通信研究機構 Fiber fuse detector
JP2011192848A (en) * 2010-03-15 2011-09-29 Fujitsu Ltd Optical transmission device, laser module, fault detection method of the laser module, and fault detection program of the laser module
WO2017033333A1 (en) * 2015-08-27 2017-03-02 オリンパス株式会社 Optical connector and light source device
JPWO2017033333A1 (en) * 2015-08-27 2018-08-09 オリンパス株式会社 Optical connector and light source device

Also Published As

Publication number Publication date
JPH034918Y2 (en) 1991-02-07

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