HIGH-POWER OPTICAL MODULE WITH SINGLE EMITTER CHIPS AND DOVE PRISMS
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Nov 15, 2023
filing date -
Nov 15, 2023
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Abstract
In some implementations, a high-power optical module includes multiple optical devices arranged in an array to generate multiple laser beams, where the multiple optical devices each include a diode laser with a single emitter to emit a laser beam; a fast axis collimation (FAC) lens arranged to collimate the laser beam in a fast axis; a slow axis collimation (SAC) lens, arranged after the FAC lens, to collimate the laser beam in a slow axis; and a Dove prism arranged between the FAC lens and the SAC lens. The Dove prism includes an axis that is rotated 45 degrees relative to the single emitter such that an orientation of the fast axis and an orientation of the slow axis of the laser beam are rotated 90 degrees after the laser beam passes through the Dove prism.
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