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Entry  Wed Oct 19 14:43:15 2016, Steve, Update, General, Viewports & coating of 2001 vacViewp2001.PDFtiltedViewport.PDF
    Reply  Wed Oct 19 17:02:34 2016, rana, Update, General, Viewports & coating of 2016 
    Reply  Thu Jul 26 15:11:18 2018, Steve, Update, General, Viewports & coating of 2001 BK7window_Coatings.PDF
Message ID: 12572     Entry time: Wed Oct 19 17:02:34 2016     In reply to: 12570
Author: rana 
Type: Update 
Category: General 
Subject: Viewports & coating of 2016 

These old specs are not so bad. But we now want to get replacements for the TRX and TRY and PSL viewports that are R <0.1% at 532 and 1064 nm.

I don't know of any issues with keeping BK-7 as the substrate.

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