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Arrangement of multiple diode laser module and method of operating the same

A technology of laser modules and laser sources, which is applied in the direction of lasers, laser devices, semiconductor lasers, etc.

Active Publication Date: 2017-10-13
TRUMP PHOTONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Each laser source is capable of emitting radiation

Method used

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  • Arrangement of multiple diode laser module and method of operating the same
  • Arrangement of multiple diode laser module and method of operating the same
  • Arrangement of multiple diode laser module and method of operating the same

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Embodiment Construction

[0039] One aspect of the present invention is directed to a cost-effective architecture and housing for a single-emitter module that results in a single-emitter ladder configuration optimized for optical stack radiation for increased power and brightness over fiber optics. In one embodiment of the invention, the laser module includes a base including a first plurality of stepped platforms and a second plurality of stepped platforms, each of the first and second plurality of platforms One houses a laser source and a reflector, wherein the reflector receives radiation from the laser source and reflects the radiation. Each laser source in the first plurality of stepped platforms and the second plurality of stepped platforms is aligned in a common plane; each reflector in the first plurality of platforms is spaced a first distance from the common plane arranged, and each reflector in the second plurality of platforms is arranged at a second distance from a common plane, wherein th...

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Abstract

Disclosed is a laser module with a base including stepped platforms with an offset relative to an adjacent platform, each stepped platform accommodating a laser source. The module has at least a first plurality of stepped platforms and a second plurality of stepped platforms. Each platform accommodates a laser source that is part of a plurality of laser sources. The plurality of laser sources is arranged in a single plane to have each laser source emit laser radiation in the same direction perpendicular to the plane. Laser radiation generated by the laser sources associated with the first plurality of platforms is combined into a first combined beam and the laser radiation generated by the laser sources associated with the second plurality of platforms is combined into a second combined beam. The first and second combined beam are combined by an optical combiner and coupled into an optical fiber.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to and is an extension of US Application 14 / 602,418, filed January 22, 2015, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention generally relates to a multi-emitter laser module with an optional integrated cooling system. Background technique [0004] Single semiconductor lasers or emitters are compact and widely used in a wide range of applications. In some applications, an optical output power significantly greater than that of a single emitter is required. One solution is to create a module with multiple single emitters and combine the optical output of each single emitter into a combined optical output. The term single emitter is used herein. An example of a single emitter is eg the L4 diode laser module from JDS Uniphase Corporation. However, the laser radiation source can also be a stack or a column or a strip of s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/022H01S5/40
CPCH01S5/4012H01S5/022H01S5/02255H01S5/023H01S5/0233H01S5/0235H01S5/02251H01S5/005H01S5/0071H01S5/02216H01S5/405H01S5/02326H01S5/125H01S5/4031H01S5/4018G02B6/423G02B6/4214
Inventor 李宇锋
Owner TRUMP PHOTONICS