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  Astronomical Optics by Andover Corporation
¤ýÀÛ¼ºÀÚ: ÀüÀçÇÊ ¤ýÀÛ¼ºÀÏ: 2017-03-29 (¼ö) 09:52 ¤ýÁ¶È¸: 1042
Astronomy Header

 
is uniquely qualified to produce optical filters and coatings for the astronomy industry. With 40 years of experience, we have designed and manufactured filters for ground-based, airborne, and space borne systems. We are ISO 9001 as well as AS9100 certified, demonstrating our ongoing commitment to quality.

 
We work in the wavelength range from 193nm up to 14µm, including all of the Sloan DSS wavelengths. We manufacture filters with bandwidths ranging from extremely wide (multi-microns) to extremely narrow (sub-nanometer). Sizes range from 2mm to 305mm dia. Our Image Quality filters exhibit transmitted wavefront error as low as 1/20 wave, and parallelism down to 5 arc seconds or less. Andover routinely manufactures space-qualified filters using radiation-hard, non-outgassing materials. As with all of our filters, they exhibit superior stability and longevity. Our in-house engineers can help in designing a filter or coating to meet your specific requirements. 
 
We offer a range of filters operating in the atmospheric transmission regions as well as narrowband filters suitable for detecting atomic emissions such as our H-Alpha operating at a wavelength of 656.281nm. This is typically used in solar observations and is the easier way for astronomers to trace the ionized hydrogen content of gas clouds.  Our narrow bandwidth H-Alpha filter will improve contrast aiding in the observation of solar flares.  
 
For more information or a quotation, please contact us at techsales@andcorp.com 
 
 

SUBSTRATES
Available substrate materials include: BK7, Fused Silica, Filter Glass, Sapphire, Germanium, Zinc Sulfide, Zinc Selenide, Silicon, Calcium Fluoride, Barium Fluoride and Magnesium Fluoride.



A PARTIAL LIST OF OUR 
DISTINGUISHED ASTRONOMY CUSTOMERS





ND Filter

Heat Control Filters







Standard filters are available from stock in 3 standard sizes: 12.5mm dia., 25mm dia., and 50mm dia. Quantity pricing, or custom optics (shapes, sizes, etc) also available. 
 
 
As always, FREE UPS SHIPPING on all domestic orders
placed through our website.




Catalogs

Check out our 2016 CATALOG online now! 

Also available in hard copy.

Andover Corporation, 4 Commercial Drive, Salem, NH 03079
Sent by nicole.christensen@andovercorp.com in collaboration with
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Á¦Á¶»ç: www.andcorp.com
Á¦Á¶±¹: USA
 
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