Fourier Ptychography-Based Measurement of Beam Divergence Angle for Vertical Cavity Surface-Emitting Laser

The Vertical Cavity Surface-Emitting Laser (VCSEL) has led to the rapid development of advanced fields such as communication, optical sensing, smart cars, and more. The accurate testing of VCSEL beam quality is an important prerequisite for its effective application. In this paper, a method for meas...

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Bibliographic Details
Main Authors: Leilei Jia, Xin Qian, Lingyu Ai
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Photonics
Subjects:
Online Access:https://www.mdpi.com/2304-6732/10/7/777