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09-30

2025

CASTECH's "Aspherical" Extraordinary Journey

CASTECH's aspheric products include both aspheric lenses and aspheric cylindrical lenses, processable from a wide range of optical glass materials covering deep ultraviolet to infrared wavelengths. With high manufacturing precision, these products offer excellent optical performance and high laser-induced damage threshold, making them widely applicable in lasers, precision optics, and optical communications.

2025-09-30

CASTECH's "Aspherical" Extraordinary Journey

09-26

2025

To distinguish between “aspheric” and “spheric”, why to make it “perfect”?

CASTECH can provide high precision aspherical lenses based on CNC precision polishing, including aspherical cylindrical, hyperbolic, axicon andfree-form lenses.

2025-09-26

To distinguish between “aspheric” and “spheric”, why to make it “perfect”?

09-26

2025

The Evolution of LBO Crystal: From Past to Present

LBO is an excellent nonlinear optical crystal discovered by FIRSM affiliated to Chinese Academy of Sciences. Its NLO devices now are produced, manufactured and marketed by CASTECH.

2025-09-26

The Evolution of LBO Crystal: From Past to Present

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