[RASMB] Sapphire Cell Windows

Walter Stafford stafford at bbri.org
Sat Nov 19 09:10:55 PST 2005


RASMBers

As promised, attached please find spectra for sapphire windows from 
Meller Optical.

Optically clear sapphires are possible.

Walter Stafford


>From: "Tom WILSON" <tom at melleroptics.com>
>To: "Walter Stafford" <stafford at bbri.org>
>
>Sapphire curve attached.
>
>
>
>-----Original Message-----
>From: Walter Stafford [mailto:stafford at bbri.org]
>Sent: Friday, November 18, 2005 1:48 PM
>To: Tom WILSON
>Subject: Re: Sapphire Cell Window
>
>
>Hi Tom,
>	Thanks for the info. I am also interested in the spectral
>properties over the range 200 - 300 nm. Do you have that info
>available as well?
>
>Thanks,
>Walter
>
>
>>Walter:
>>
>>Our specifications for the Sapphire Cell Window are listed below.
>>The material is standard optical grade sapphire.
>>
>>If you have any questions please contact me.
>>
>>DIAMETER: 0.7492"+/-.0012"
>>THICKNESS: 0.1969"+/-.0039"
>>PARALLELISM: +/-.0004"
>>FLATNESS: 1/2 FRINGES POWER, 1/8 FRINGE IRREGULAR
>>            OVER CENTRAL 0.630" MINIMUM DIAMETER
>>            CLEAR APERTURE, 2 FACES.
>>PERPENDICULARITY: OD TO FACES WITHIN 15 MINUTES.
>>EDGE BEVEL: 0.014"+/-.006" X 45 deg, 2 PLACES.
>>SURFACE FINISH: 30-10 OR BETTER PER MIL-O-13830,
>>                  WITHIN CENTRAL 0.630" MINIMUM
>>                  DIAMETER CLEAR APERTURE, 2 FACES.
>>CRYSTALLOGRAPHIC ORIENTATION: 90 deg, WITH THE
>>C-AXIS PARALLEL AND IN THE PLANE OF THE FACES.
>>
>>********************************************
>>Thomas F. Wilson
>>Executive Vice President
>>Meller Optics, Inc.
>>120 Corliss Street, Providence, RI 02904
>>Tel (800) 821-0180 - Fax (401) 331 0519
>>www.melleroptics.com
>
--
######################################################

Walter F. Stafford III, Ph.D.
Senior Scientist and
Director, Analytical Ultracentrifugation Research Laboratory
Boston Biomedical Research Institute
64 Grove Street
Watertown, MA  02472-2829
and
Associate in Neurology
Massachusetts General Hospital
Harvard Medical School
Boston MA 02115

main:(617) 926-8040
tel: (617) 658-7808
fax: (617) 972-1753

mailto:stafford at bbri.org


http://www.bbri.org/faculty/stafford/Stafford.html
http://www.bbri.org/rasmb/rasmb.html
######################################################


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