Fiber optic coupling of a microlens conditioned, stacked semiconductor laser diode array

Beach, Raymond J; Benett, William J; Mills, Steven T

Title: Fiber optic coupling of a microlens conditioned, stacked semiconductor laser diode array

Full Record
Other Related Research

Abstract

The output radiation from the two-dimensional aperture of a semiconductor laser diode array is efficiently coupled into an optical fiber. The two-dimensional aperture is formed by stacking individual laser diode bars on top of another in a "rack and stack" configuration. Coupling into the fiber is then accomplished using individual microlenses to condition the output radiation of the laser diode bars. A lens that matches the divergence properties and wavefront characteristics of the laser light to the fiber optic is used to focus this conditioned radiation into the fiber.

Inventors:

Beach, Raymond J ^[1]; Benett, William J ^[1]; Mills, Steven T ^[2]

Livermore, CA
Antioch, CA

Issue Date:: 1997-01-01

Research Org.:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

OSTI Identifier:: 870892

Patent Number(s):: 5617492

Application Number:: 08/597331

Assignee:: Regents of University of California (Oakland, CA)

Patent Classifications (CPCs):: G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

Show more

G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G02B6/4204 - {the coupling comprising intermediate optical elements, e.g. lenses, holograms
G02B6/425 - {Optical features
G02B6/4206 - {Optical features
G02B6/4249 - {comprising arrays of active devices and fibres}

Show less

DOE Contract Number:: W-7405-ENG-48

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: fiber; optic; coupling; microlens; conditioned; stacked; semiconductor; laser; diode; array; output; radiation; two-dimensional; aperture; efficiently; coupled; optical; formed; stacking; individual; bars; top; rack; stack; configuration; accomplished; microlenses; condition; lens; matches; divergence; properties; wavefront; characteristics; light; focus; output radiation; diode bars; diode bar; semiconductor laser; fiber optic; optical fiber; laser light; laser diode; diode array; efficiently coupled; optic coupling; two-dimensional aperture; individual laser; /385/

Citation Formats


                    Beach, Raymond J, Benett, William J, and Mills, Steven T. Fiber optic coupling of a microlens conditioned, stacked semiconductor laser diode array.  United States: N. p., 1997. 
        Web.

Copy to clipboard


                    Beach, Raymond J, Benett, William J, & Mills, Steven T. Fiber optic coupling of a microlens conditioned, stacked semiconductor laser diode array.  United States.

Copy to clipboard


                    Beach, Raymond J, Benett, William J, and Mills, Steven T. Wed .  
        "Fiber optic coupling of a microlens conditioned, stacked semiconductor laser diode array".  United States.  https://www.osti.gov/servlets/purl/870892.

Copy to clipboard


                    
@article{osti_870892,

  title        = {Fiber optic coupling of a microlens conditioned, stacked semiconductor laser diode array},

  author       = {Beach, Raymond J and Benett, William J and Mills, Steven T},

  abstractNote = {The output radiation from the two-dimensional aperture of a semiconductor laser diode array is efficiently coupled into an optical fiber. The two-dimensional aperture is formed by stacking individual laser diode bars on top of another in a "rack and stack" configuration. Coupling into the fiber is then accomplished using individual microlenses to condition the output radiation of the laser diode bars. A lens that matches the divergence properties and wavefront characteristics of the laser light to the fiber optic is used to focus this conditioned radiation into the fiber.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1997},

  month        = {1}

}

Copy to clipboard

Patent:

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE Patents and OSTI.GOV collections:

Fiber optic coupling of a microlens conditioned, stacked semiconductor laser diode array

Patent Beach, R J; Benett, W J; Mills, S T

The output radiation from the two-dimensional aperture of a semiconductor laser diode array is efficiently coupled into an optical fiber. The two-dimensional aperture is formed by stacking individual laser diode bars on top of another in a ``rack and stack`` configuration. Coupling into the fiber is then accomplished using individual microlenses to condition the output radiation of the laser diode bars. A lens that matches the divergence properties and wavefront characteristics of the laser light to the fiber optic is used to focus this conditioned radiation into the fiber. 3 figs.
Ruggedized microchannel-cooled laser diode array with self-aligned microlens

Patent Freitas, Barry L.; Skidmore, Jay A.

A microchannel-cooled, optically corrected, laser diode array is fabricated by mounting laser diode bars onto Si surfaces. This approach allows for the highest thermal impedance, in a ruggedized, low-cost assembly that includes passive microlens attachment without the need for lens frames. The microlensed laser diode array is usable in all solid-state laser systems that require efficient, directional, narrow bandwidth, high optical power density pump sources.
Full Text Available
Microlens frames for laser diode arrays

Patent Skidmore, Jay A [Livermore, CA]; Freitas, Barry L [Livermore, CA]

Monolithic microlens frames enable the fabrication of monolithic laser diode arrays and are manufactured inexpensively with high registration, and with inherent focal length compensation for any lens diameter variation. A monolithic substrate is used to fabricate a low-cost microlens array. The substrate is wet-etched or sawed with a series of v-grooves. The v-grooves can be created by wet-etching, by exploiting the large etch-rate selectivity of different crystal planes. The v-grooves provide a support frame for either cylindrical or custom-shaped microlenses. Because the microlens frames are formed by photolithographic semiconductor batch-processing techniques, they can be formed inexpensively over large areas withmore » « less
Full Text Available
Soft lithography microlens fabrication and array for enhanced light extraction from organic light emitting diodes (OLEDs)

Patent Leung, Wai Y.; Park, Joong-Mok; Gan, Zhengqing; ...

Provided are microlens arrays for use on the substrate of OLEDs to extract more light that is trapped in waveguided modes inside the devices and methods of manufacturing same. Light extraction with microlens arrays is not limited to the light emitting area, but is also efficient in extracting light from the whole microlens patterned area where waveguiding occurs. Large microlens array, compared to the size of the light emitting area, extract more light and result in over 100% enhancement. Such a microlens array is not limited to (O)LEDs of specific emission, configuration, pixel size, or pixel shape. It is suitablemore » « less
Full Text Available
Single-element optical injection locking of diode-laser arrays

Patent Hadley, G Ronald [Albuquerque, NM]; Hohimer, John P [Albuquerque, NM]; Owyoung, Adelbert [Albuquerque, NM]

By optically injecting a single end-element of a semiconductor laser array, both the spatial and spectral emission characteristics of the entire laser array is controlled. With the output of the array locked, the far-field emission angle of the array is continuously scanned over several degrees by varying the injection frequency.
Full Text Available

Similar Records