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The New Elsmar Cove Forums   The New Elsmar Cove Forums
  Measurement, Test and Calibration
  Optical flats

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Author Topic:   Optical flats
DICKIE
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Posts: 46
From:Romulus, MI, USA
Registered: Feb 2001

posted 17 April 2001 03:31 PM     Click Here to See the Profile for DICKIE   Click Here to Email DICKIE     Edit/Delete Message   Reply w/Quote
Can someone suggest literature on the use of optical flats?

Greg

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Jerry Eldred
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Posts: 136
From:
Registered: Dec 1999

posted 17 April 2001 04:05 PM     Click Here to See the Profile for Jerry Eldred   Click Here to Email Jerry Eldred     Edit/Delete Message   Reply w/Quote
Van Keuren (the manufacturer of our optical flats, and perhaps of yours as well) puts out a reference sheet called "FLATNESS INTERPRETATION CHART, Light Wave Band Pattern Guide".

It is, in my humble opinion, quite self-explanatory to the trained dimensional calibration person. I notice on the chart that they also reference "The Van Keuren Precision Measuring Tools Handbook".

I show them at

Van Keuren
45 Loring Drive
Framingham, MA 01702
(800)825-4272
(508)872-1450

There is also a very brief description of the use of optical flats in "Inspection and Gaging" Sixth Edition by Kennedy, Hoffman and Bond. Published by Industrial Press Inc.

This does not in any way imply any endorsement or recommendation for either of these. They are the only information I know about, so am sharing for informational reasons only.

------------------

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energy
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Posts: 228
From:New Britain, CT
Registered: Nov 2000

posted 17 April 2001 04:08 PM     Click Here to See the Profile for energy   Click Here to Email energy     Edit/Delete Message   Reply w/Quote
I'm not sure if this of interest to you, but there is good on-line reading @ http://www.zygo.com/appnotes/zms0007/zms0007.htm

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DICKIE
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Posts: 46
From:Romulus, MI, USA
Registered: Feb 2001

posted 18 April 2001 09:59 AM     Click Here to See the Profile for DICKIE   Click Here to Email DICKIE     Edit/Delete Message   Reply w/Quote
Jerry, energy thanks for the info

Greg

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Ryan Wilde
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Posts: 20
From:Mineola, NY, USA
Registered: Feb 2001

posted 25 April 2001 06:03 PM     Click Here to See the Profile for Ryan Wilde   Click Here to Email Ryan Wilde     Edit/Delete Message   Reply w/Quote
The only active specification that I know of for optical flats is A-A-58051, available *free* from the Department of Defense ASSIST site in a PDF format. Go to http://astimage.daps.dla.mil/quicksearch/ and in the [Document Number] field type '58051'. From there you can download the document.

Ryan

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