JPS55120012A - Active optical branching circuit - Google Patents

Active optical branching circuit

Info

Publication number
JPS55120012A
JPS55120012A JP2778979A JP2778979A JPS55120012A JP S55120012 A JPS55120012 A JP S55120012A JP 2778979 A JP2778979 A JP 2778979A JP 2778979 A JP2778979 A JP 2778979A JP S55120012 A JPS55120012 A JP S55120012A
Authority
JP
Japan
Prior art keywords
optical
axis
wavelength plate
light
optical wave
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
JP2778979A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6148693B2 (enrdf_load_stackoverflow
Inventor
Mitsukazu Kondo
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2778979A priority Critical patent/JPS55120012A/ja
Priority to US06/132,481 priority patent/US4359268A/en
Publication of JPS55120012A publication Critical patent/JPS55120012A/ja
Publication of JPS6148693B2 publication Critical patent/JPS6148693B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Optical Integrated Circuits (AREA)
JP2778979A 1979-03-09 1979-03-09 Active optical branching circuit Granted JPS55120012A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2778979A JPS55120012A (en) 1979-03-09 1979-03-09 Active optical branching circuit
US06/132,481 US4359268A (en) 1979-03-09 1980-03-19 Light quantity control apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2778979A JPS55120012A (en) 1979-03-09 1979-03-09 Active optical branching circuit

Publications (2)

Publication Number Publication Date
JPS55120012A true JPS55120012A (en) 1980-09-16
JPS6148693B2 JPS6148693B2 (enrdf_load_stackoverflow) 1986-10-25

Family

ID=12230730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2778979A Granted JPS55120012A (en) 1979-03-09 1979-03-09 Active optical branching circuit

Country Status (1)

Country Link
JP (1) JPS55120012A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6148693B2 (enrdf_load_stackoverflow) 1986-10-25

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