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Single Emitter Harness System

A transmitter and wire harness technology, applied in the field of high-power laser wire harness systems, can solve problems such as inconsistencies in wire harnesses

Active Publication Date: 2021-07-23
NLIGHT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, while high-reliability single-emitter laser sources cooled with standard cooling plates can replace microchannel cooling strips in high-power harness systems, the possibility of this application is typically not considered as an option , because a reduction in the total number of laser sources increases the likelihood of inconsistencies in the beam due to self-interference (or coherence) effects between sources

Method used

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  • Single Emitter Harness System
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Embodiment Construction

[0017] As used in the specification and claims, the singular forms "a", "an" and "the" also include plural forms unless the context clearly dictates otherwise. Furthermore, the term "comprises" means "includes". Further, the term "connected" does not exclude the presence of intermediate elements between the connected items.

[0018] The systems, devices and methods described herein should not be construed as limiting in any way. Rather, the invention is directed to all novel and non-obvious features and aspects of the various disclosed embodiments both alone and in various combinations and subcombinations with each other. The disclosed systems, methods and apparatus are neither limited to any particular aspect or feature or combination thereof, nor do the disclosed systems, methods and apparatus require any one or more particular advantages or problems to be solved. Any theory of operation is provided for convenience of explanation, but the disclosed systems, methods and app...

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Abstract

A harness system includes a single-emitter light engine including a plurality of independent spaced-apart single-emitter diode lasers, each emitter configured to emit a diode laser beam. Beam spacing optics are optically coupled to the single emitter light engine and configured to provide the propagation axis of the diode laser beam in a dense parallel configuration. A light pipe having a longitudinal axis is arranged to provide an exit beam having a uniform intensity distribution along one or more axes by receiving a dense combined light beam and reflecting the light beam in the light pipe. Coherence reduction is achieved by diffracting the densely combined beam or by propagation in a light pipe.

Description

[0001] This application claims priority to US Provisional Application 61 / 935962, filed February 5, 2014, the entire contents of which are incorporated herein by reference. technical field [0002] The present disclosure relates to high power laser beam systems. Background technique [0003] Conventional beam generators are typically based on stacks of microchannel-cooled laser diode bars and suffer from a number of reliability issues. Some issues include corrosion and leaks in microchannel coolers, leaks around O-rings or other seals, and movement or misalignment of fast-axis collimation (FAC) optics over time. figure 1 A conventional laser bar based line beam generator 100 is shown comprising 14 diode laser bars 112 each with 63 emitters for a total of 882 diode laser beams. Additionally, to form the laser line exit beam 119, a fast axis collimating lens, comb filter, polarizer and monolith assembly 116, and other line beam optics are required, including a Uniform light g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/00G02B6/10G02B6/00G02B27/42G02B27/28G02B27/10
CPCG02B6/10G02B27/00G02B27/10G02B27/283G02B27/4205G02B5/04G02B6/4296G02B27/0905G02B27/0944G02B27/0994G02B27/108G02B27/48G02B5/08G02B5/1861G02B6/262G02B27/0927
Inventor S·R·卡尔森D·C·森德尔斯
Owner NLIGHT INC
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