公开(公告)号：US20230349754A1

公开(公告)日：2023-11-02

申请号：US18138485

申请日：2023-04-24

Applicant: NLIGHT, INC.

Inventor： Scott R. Karlsen ,  David R. Balsley ,  Nicolas Trent Meacham ,  Austin Hagarty ,  Dahv A.V. Kliner

IPC: G01J1/42 ,  G01J1/04

CPC classification number: G01J1/4257 ,  G01J1/0437 ,  G01J1/0414

Abstract: Some embodiments may include a power monitor to measure power of laser light propagating in a core of an optical fiber; the power monitor to generate a sensor signal using an optical sensor having a light sensitive section with no line of sight to part of the optical fiber; wherein the sensor signal is derived from light emerging laterally from the part of the optical fiber. Other embodiments may be disclosed and/or claimed.