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11-18

2025

Let’s Talk About Impedance Matching

Impedance matching is a critical aspect of the manufacturing and application of acousto-optic devices. Even minor disruptions, such as physical contact or displacement of internal components during assembly or use, may cause impedance mismatch, leading to performance degradation or device failure.

2025-11-18

11-05

2025

CLBO: An Excellent Nonlinear Crystal for Short-Wave Ultraviolet Applications

CLBO crystals developed and produced by CASTECH, through this specialized high-performance coating process, demonstrate both excellent transmittance and damage resistance

2025-11-05

CLBO: An Excellent Nonlinear Crystal for Short-Wave Ultraviolet Applications

10-24

2025

A Prism-Grating Component for 5G Communication

The prism-grating manufactured by CASTECH achieves a theoretical diffraction efficiency of over 98%, a line density period accuracy of ±0.1 line/mm, and a grating line verticality of ±0.1°.

2025-10-24

A Prism-Grating Component for 5G Communication

10-23

2025

The Developmental Journey of BBO Crystal

BBO crystal is hailed as the first "Made-in-China" crystal created by Chinese scientists based on their own original scientific ideas.

2025-10-23

The Developmental Journey of BBO Crystal

10-22

2025

"Master" of Phase Control — Phase Modulator

Phase modulators are widely used in various applications, such as: Encoding advanced code formats in optical communication，Generating keys in quantum communication，Suppressing stimulated Brillouin scattering in the SG-II (Shenguang-II) laser facility，Canceling phase shifts in fiber-optic gyroscopes.

2025-10-22

"Master" of Phase Control — Phase Modulator

10-22

2025

"Light Follows My Command, Controlled at Will"

Laser modulators are a type of laser control components, characterized by high integration and diverse types and functions. They are classified into intensity modulators, phase modulators, frequency shifters, deflectors, and so on.

2025-10-22

"Light Follows My Command, Controlled at Will"

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