CAS'Tech Class

Home

10-21

2025

Ding! Your 0.1-Nanometer Ultra-Smooth Surface Test Report Has Arrived

Surface roughness refers to the micro-irregularities on a machined surface. The smaller the surface roughness, the smoother the surface becomes.We commonly refer to the surfaces of optical components with ultra-low surface roughness as "ultra-smooth surfaces"

2025-10-21

Ding! Your 0.1-Nanometer Ultra-Smooth Surface Test Report Has Arrived

09-30

2025

TSAG Crystal: A Magneto-Optical Material

Terbium Scandium Aluminum Garnet (Tb₃Sc₂Al₃O₁₂,TSAG) is the key isolator material for next generation fiber laser. As an ideal magneto-optic crystal in visible and infrared regions, TSAG has the advantages of high Verdet constant,excellent thermal and mechanical properties.

2025-09-30

TSAG Crystal: A Magneto-Optical Material

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

< 1 2 3 > proceed page

SEO

闽公网安备 35010202001701号

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.