PRODUCTS

PRODUCTS

 

MESSAGES

Username used for comment:
Customer message
Description:
Customer message

Related Items

/
-
Aspherical Lenses

Detail

Aspherical Lenses
Aspherical Lenses
  • Aspherical Lenses

Description
CAS'TechClass
Download

Aspheric lenses have its advantages in a range of applications where eliminated spherical aberration or (and) single element design is required. CASTECH offers CNC precision-polished aspherical and acylindrical lenses, with or without anti-reflection (AR) coatings. Our CNC polished aspheric lenses are iteratively ground and polished by a software supported computer-controlled processing center to provide better controlled surface quality, irregularity and focal length deviation.

 

•  Material from DUV to IR 

•  Custom dimension and shapes

• ​​​​​​ ​Diameter from 5 to 200 mm

• ​​​​​​ ​Clear aperture: Central 90% of diameter

•  Irregularity : λ/10@632.8nm

• ​​​​​​ ​Surface quality: 10-5 S/D

• ​​​​​​ ​Centration: 3′

• ​​​​​​ ​Standard and custom coating options available 

• ​​​​​​ ​High laser damage threshold

 

Metrology
CASTECH employs rigorous verification procedure to guaranty the high performance of our each aspheric lens.Taylor Hobson Form Talysurf PGI profilometer allows contact measurement in grinding process while Taylor Hobson LuphoScan 260 non-contact 3D optical surface profilometer performs ultra precision optical surfaces form measurement in polishing process.

 

Taylor Hobson Form Talysurf PGI

Measure range: from 0.1 to 200 mm

Resolution ratio: 0.8nm

Taylor Hobson LuphoScan 260 for irregularity measurement

Measure range: from 5 to 260 mm

High surface accuracy: ±50nm

   
Related Items

Inquiry List

Product information

Product serial number
Thumbnail
Name of product
Retail price
Expected unit price
*Order quantity
Operation
Product serial number:
Aspherical Lenses
Retail price: 0.0
* Expected unit price
*Order quantity
-+
Remove

Contact information

Basic information
Method of contact and profession
Company information

Add other product X

Product categories:
All products
Selected 0 Each
castech
Customer message

Copyright© CASTECH Inc. all rights reserved   闽ICP备06000911号

Search 

搜索
Search
No content information display
Please add data record on website background.