JPS5217845A - Photomodulator - Google Patents

Photomodulator

Info

Publication number
JPS5217845A
JPS5217845A JP4894175A JP4894175A JPS5217845A JP S5217845 A JPS5217845 A JP S5217845A JP 4894175 A JP4894175 A JP 4894175A JP 4894175 A JP4894175 A JP 4894175A JP S5217845 A JPS5217845 A JP S5217845A
Authority
JP
Japan
Prior art keywords
photomodulator
absobent
ripple
depositing
resonance
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
JP4894175A
Other languages
Japanese (ja)
Inventor
Shuzo Hattori
Tadao Hiramatsu
Motoo Katayama
Hidenori Ozawa
Yasuyuki Hiraiwa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hagiwara Electric Co Ltd
Original Assignee
Hagiwara Electric Co Ltd
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 Hagiwara Electric Co Ltd filed Critical Hagiwara Electric Co Ltd
Priority to JP4894175A priority Critical patent/JPS5217845A/en
Publication of JPS5217845A publication Critical patent/JPS5217845A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the resonance of ultrasonic wave and eliminate a ripple by depositing an absobent on at least one surface of first to third surfaces of a photomodulator, which surfaces are opposite to each other.
COPYRIGHT: (C)1977,JPO&Japio
JP4894175A 1975-04-22 1975-04-22 Photomodulator Pending JPS5217845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4894175A JPS5217845A (en) 1975-04-22 1975-04-22 Photomodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4894175A JPS5217845A (en) 1975-04-22 1975-04-22 Photomodulator

Publications (1)

Publication Number Publication Date
JPS5217845A true JPS5217845A (en) 1977-02-10

Family

ID=12817289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4894175A Pending JPS5217845A (en) 1975-04-22 1975-04-22 Photomodulator

Country Status (1)

Country Link
JP (1) JPS5217845A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02214828A (en) * 1989-02-16 1990-08-27 Fujitsu Ltd Integrated optical waveguide device
JPH0588124A (en) * 1991-09-27 1993-04-09 Nec Corp Optical modulator
JPH0593892A (en) * 1991-10-01 1993-04-16 Nec Corp Two-layered type optical modulator
US5320654A (en) * 1990-07-06 1994-06-14 Kabushiki Kaisha Komatsu Seisakusho Air cleaner for cooling device in driving system mounted on large size dump truck
EP1526400A4 (en) * 2003-06-10 2006-07-05 Nippon Telegraph & Telephone Electrooptic modulation element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678574A (en) * 1970-11-09 1972-07-25 Bell Telephone Labor Inc Acoustically absorbent mounting method for optical modulator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678574A (en) * 1970-11-09 1972-07-25 Bell Telephone Labor Inc Acoustically absorbent mounting method for optical modulator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02214828A (en) * 1989-02-16 1990-08-27 Fujitsu Ltd Integrated optical waveguide device
US5320654A (en) * 1990-07-06 1994-06-14 Kabushiki Kaisha Komatsu Seisakusho Air cleaner for cooling device in driving system mounted on large size dump truck
JPH0588124A (en) * 1991-09-27 1993-04-09 Nec Corp Optical modulator
JPH0593892A (en) * 1991-10-01 1993-04-16 Nec Corp Two-layered type optical modulator
EP1526400A4 (en) * 2003-06-10 2006-07-05 Nippon Telegraph & Telephone Electrooptic modulation element
US7433111B2 (en) 2003-06-10 2008-10-07 Nippon Telegraph And Telephone Corporation Electrooptic modulation element

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