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CAS'Tech Class

10-23

2026

Beyond Packaging: Proper Storage for Long-Term Optical Crystal Performance

Proper storage is one of the most cost-effective ways to protect that quality.

2026-10-23

Beyond Packaging: Proper Storage for Long-Term Optical Crystal Performance

09-18

2026

Calcium Fluoride (CaF₂) Single Crystal: A Key Material for Deep-UV Optics

Castech has established a precision manufacturing system covering the full process chain for CaF₂ optical components, with stable mass-production and rapid-delivery capability at the 200 nm precision level

2026-09-18

Calcium Fluoride (CaF₂) Single Crystal: A Key Material for Deep-UV Optics

08-04

2026

Standardized Packaging + Correct Unboxing: Protecting Optical Performance

The performance stability of a precision optical crystal comes from careful control across the entire chain — manufacturing, packaging, transport, and unboxing.

2026-08-04

Standardized Packaging + Correct Unboxing: Protecting Optical Performance

07-01

2026

An Introduction to Polarizing Beamsplitter Plate: Choose 45° or 55.4° ?

For general applications, the 45° plate offers the best balance of performance, cost, and ease of use. However, when performance requirements such as polarization purity and laser reliability are paramount, the 55.4° plate combined with a carefully designed optical path is the clear choice.

2026-07-01

An Introduction to Polarizing Beamsplitter Plate: Choose 45° or 55.4° ?

06-30

2026

The Diode in Optics: Magneto-Optic Isolators

CASTECH has developed robust capabilities in the design and manufacturing of high-power isolators. The company has extensive experience in critical areas such as thermal management and magnetic field uniformity optimization. It has established a comprehensive system covering device design, performance simulation, device packaging, and performance testing, ensuring that its isolator products deliver exceptional performance and high reliability.

2026-06-30

The Diode in Optics: Magneto-Optic Isolators

06-30

2026

An Introduction to Optical Crystal Structures

The direction of light propagation and polarization within different crystal structures are critical to their applications and performance

2026-06-30

An Introduction to Optical Crystal Structures
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