JPH0325132U - - Google Patents

Info

Publication number
JPH0325132U
JPH0325132U JP4884690U JP4884690U JPH0325132U JP H0325132 U JPH0325132 U JP H0325132U JP 4884690 U JP4884690 U JP 4884690U JP 4884690 U JP4884690 U JP 4884690U JP H0325132 U JPH0325132 U JP H0325132U
Authority
JP
Japan
Prior art keywords
gradient index
index lens
optical fiber
diaphragm
end surface
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
JP4884690U
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 JP4884690U priority Critical patent/JPH0325132U/ja
Publication of JPH0325132U publication Critical patent/JPH0325132U/ja
Pending legal-status Critical Current

Links

Description

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

第1図は圧力センサの従来例を示す概略的な側
面図、第2図は本考案による圧力センサの第1実
施例を示す概略的な断面図、第3図、第4図及び
第5図は夫々第2図における−線断面図、
−線断面図及び−線断面図、第6図及び第
7図は本考案による圧力センサの夫々第2実施例
及び第3実施例を示す概略的な断面図である。 なお図面に用いられている符号において、11
……圧力センサ、12a,12b,26……光フ
アイバ、17……屈折率分布型レンズ、22,2
4……ダイヤフラム、である。
FIG. 1 is a schematic side view showing a conventional example of a pressure sensor, FIG. 2 is a schematic sectional view showing a first embodiment of the pressure sensor according to the present invention, FIGS. 3, 4, and 5. are sectional views taken along the line - in FIG. 2, respectively;
6 and 7 are schematic sectional views showing a second embodiment and a third embodiment of the pressure sensor according to the present invention, respectively. In addition, in the symbols used in the drawings, 11
...Pressure sensor, 12a, 12b, 26...Optical fiber, 17...Gradient index lens, 22,2
4...Diaphragm.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 屈折率分布型レンズと、この屈折率分布型レン
ズの一方の端面に対向する様に配設された少なく
とも一本の光フアイバと、前記屈折率分布型レン
ズの他方の端面に対向する様に配設されたダイヤ
フラムとを具備し、このダイヤフラムが圧力を受
容することによつて前記屈折率分布型レンズの軸
心方向へ変位し、前記光フアイバから射出され前
記屈折率分布型レンズを通過して前記ダイヤフラ
ムによつて反射され再び前記屈折率分布型レンズ
を通過して前記光フアイバへ入射する光の量が前
記変位によつて変化する様に構成した圧力センサ
a gradient index lens; at least one optical fiber disposed to face one end surface of the gradient index lens; and at least one optical fiber disposed to face the other end surface of the gradient index lens. a diaphragm provided therein, the diaphragm being displaced in the axial direction of the gradient index lens by receiving pressure, and the light emitted from the optical fiber passing through the gradient index lens. A pressure sensor configured such that the amount of light that is reflected by the diaphragm, passes through the gradient index lens again, and enters the optical fiber changes depending on the displacement.
JP4884690U 1990-05-10 1990-05-10 Pending JPH0325132U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4884690U JPH0325132U (en) 1990-05-10 1990-05-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4884690U JPH0325132U (en) 1990-05-10 1990-05-10

Publications (1)

Publication Number Publication Date
JPH0325132U true JPH0325132U (en) 1991-03-14

Family

ID=31566021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4884690U Pending JPH0325132U (en) 1990-05-10 1990-05-10

Country Status (1)

Country Link
JP (1) JPH0325132U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0662315U (en) * 1992-07-10 1994-09-02 株式会社わかさ Automatic vertical magnetic braking system
JP2011506949A (en) * 2007-12-14 2011-03-03 ザ サイエンス アンド テクノロジー ファシリティーズ カウンシル Optical sensor
JP2016156818A (en) * 2015-02-23 2016-09-01 ザ・ボード・オブ・トラスティーズ・オブ・ザ・リーランド・スタンフォード・ジュニア・ユニバーシティ Phase-front-modulation sensor and method of fabrication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5653433A (en) * 1979-09-17 1981-05-13 Siemens Ag Optical device for measuring fine differential pressure
JPS56103319A (en) * 1980-01-21 1981-08-18 Fujitsu Ltd Universal photosensor and sensing system
JPS5776413A (en) * 1980-09-03 1982-05-13 Asea Ab Optical fiber pulse converter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5653433A (en) * 1979-09-17 1981-05-13 Siemens Ag Optical device for measuring fine differential pressure
JPS56103319A (en) * 1980-01-21 1981-08-18 Fujitsu Ltd Universal photosensor and sensing system
JPS5776413A (en) * 1980-09-03 1982-05-13 Asea Ab Optical fiber pulse converter

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0662315U (en) * 1992-07-10 1994-09-02 株式会社わかさ Automatic vertical magnetic braking system
JP2011506949A (en) * 2007-12-14 2011-03-03 ザ サイエンス アンド テクノロジー ファシリティーズ カウンシル Optical sensor
US8705045B2 (en) 2007-12-14 2014-04-22 Oxsensis Ltd. Optical sensor
US9404771B2 (en) 2007-12-14 2016-08-02 Oxsensis Ltd. Optical sensor
US9995604B2 (en) 2007-12-14 2018-06-12 Oxsensis Limited Optical sensor
JP2016156818A (en) * 2015-02-23 2016-09-01 ザ・ボード・オブ・トラスティーズ・オブ・ザ・リーランド・スタンフォード・ジュニア・ユニバーシティ Phase-front-modulation sensor and method of fabrication

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