JPS5669886A - Semiconductor luminous device - Google Patents

Semiconductor luminous device

Info

Publication number
JPS5669886A
JPS5669886A JP14826979A JP14826979A JPS5669886A JP S5669886 A JPS5669886 A JP S5669886A JP 14826979 A JP14826979 A JP 14826979A JP 14826979 A JP14826979 A JP 14826979A JP S5669886 A JPS5669886 A JP S5669886A
Authority
JP
Japan
Prior art keywords
lens
projected
spherical lens
optical fiber
thickness
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
JP14826979A
Other languages
Japanese (ja)
Inventor
Hideyo Higuchi
Kenji Ikeda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14826979A priority Critical patent/JPS5669886A/en
Publication of JPS5669886A publication Critical patent/JPS5669886A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/023—Mount members, e.g. sub-mount members
    • H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
    • H01S5/02326—Arrangements for relative positioning of laser diodes and optical components, e.g. grooves in the mount to fix optical fibres or lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)

Abstract

PURPOSE:To obtain high coupling efficiency to an optical fiber by decreasing deflection from a spherical lens formed in the case when installing an up-side-up. CONSTITUTION:A heat sink 5 is projected from an end surface of a luminous section 3 of a semiconductor laser, and a spherical lens 2 is placed on a projecting section 5a and glued to the luminous section 3. Projecting length L is made approximate equal to the thickness t of the laser 1 or slight larger than the thickness (t). A radius of the lens 2 is made approximate similar to the dimensions (t). If a diameter of the lens 2 is 150mum and (t) is 80mum, coupling efficiency does not lower remarkably because the deflection of beams projected is about 4 deg. and is smaller than an angle of light receiving of an optical fiber. When the projected beams of a small spot are required, the spherical lens may be formed in a small diameter and placed on a necessary pedestal, and an optical axis may be adjusted.
JP14826979A 1979-11-12 1979-11-12 Semiconductor luminous device Pending JPS5669886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14826979A JPS5669886A (en) 1979-11-12 1979-11-12 Semiconductor luminous device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14826979A JPS5669886A (en) 1979-11-12 1979-11-12 Semiconductor luminous device

Publications (1)

Publication Number Publication Date
JPS5669886A true JPS5669886A (en) 1981-06-11

Family

ID=15448984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14826979A Pending JPS5669886A (en) 1979-11-12 1979-11-12 Semiconductor luminous device

Country Status (1)

Country Link
JP (1) JPS5669886A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012212734A (en) * 2011-03-30 2012-11-01 Nichia Chem Ind Ltd Semiconductor laser device
JP2017054883A (en) * 2015-09-08 2017-03-16 シャープ株式会社 Optical element, optical apparatus, and projection apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012212734A (en) * 2011-03-30 2012-11-01 Nichia Chem Ind Ltd Semiconductor laser device
JP2017054883A (en) * 2015-09-08 2017-03-16 シャープ株式会社 Optical element, optical apparatus, and projection apparatus

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