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Passively Aligned Crossed Cylindrical Objective Assemblies

A technology of objective lens and cylinder, which is applied in the direction of condenser lens, optical components, laser components, etc., and can solve problems such as difficult beam alignment, complex fastening, increased errors or defects, etc.

Active Publication Date: 2021-08-10
NLIGHT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Including separate control through one or more additional optics introduces unacceptable cost and complexity
Such additional optics also make beam alignment more difficult, require additional labor and complex fastening, and lead to increased likelihood of errors or defects

Method used

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  • Passively Aligned Crossed Cylindrical Objective Assemblies
  • Passively Aligned Crossed Cylindrical Objective Assemblies
  • Passively Aligned Crossed Cylindrical Objective Assemblies

Examples

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Embodiment Construction

[0021] As used in this application and the claims, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. Furthermore, the term "comprises" means "includes". Furthermore, the term "coupled" does not exclude the presence of intermediate elements between the coupled items.

[0022] The systems, devices and methods described herein should not be construed as limiting in any way. Rather, the present disclosure is directed to all novel and non-obvious features and aspects of various disclosed embodiments, individually and in various combinations and subcombinations with each other. The disclosed systems, methods and devices are neither limited to any specific aspect or feature or combination thereof, nor required to exhibit any one or more specific advantages or solve any one or more specific problems. Any theory of operation is presented for convenience of explanation, but the disclosed systems, methods and devices are not ...

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Abstract

A crossed cylindrical objective lens assembly comprising: a fast axis objective (FAO) positioned along an optical axis for focusing an incident laser beam along a fast axis; a slow axis objective (SAO) positioned along the optical axis positioning for focusing the incident laser beam along a slow axis; and a lens frame having a fast axis objective receiving portion and a slow axis objective receiving portion for aligning the FAO and the SAO along the optical axis Register at predetermined intervals.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Application No. 62 / 162,535, filed May 15, 2015, entitled "PASSIVELY ALIGNED CROSSEDCYLINDER OBJECTIVE ASSEMBLY," which is incorporated herein by reference. technical field [0003] The present disclosure relates to laser diode packages. Background technique [0004] Conventional laser diode packages typically contain one or more edge-emitting semiconductor diode lasers emitting beams with asymmetric divergence and asymmetric beam parameter product (bpp). Frequently, the multiple laser diodes emit beams that propagate parallel to each other or become parallel by various optics. Separate fast-axis collimation optics and slow-axis collimation optics collimate the beam along corresponding beam fast and beam slow axes. A circularly symmetric plano-convex objective lens is typically positioned to receive a collimated beam and focus the beam into one optical fiber. Un...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/08H01S3/02
CPCH01S3/02H01S3/08G02B6/4206G02B6/4244G02B13/08G02B19/0009
Inventor D·M·海明威A·布朗D·C·道森K·霍纳S·林W·厄尔班内克
Owner NLIGHT INC