Small Precision Screw Drive Kinematic Mounts With 1" Dia 532nm Mirrors

US $40.00

  • Plaistow, New Hampshire, United States
  • Jan 30th
Small precision kinematic optic mount with screw drives and comes with a 1" diameter mirror coated for high reflectivity at 532 nM.  Very similar to Newport, Edmund Optics, Melles Griot, Thor Labs etc. but make is unknown.  The units are gently used and in very good condition.  I have 6 similar units as seen in the photo, the auction is for 1 piece, or 2, etc., bid accordingly and let me know which ones you want.  They test for +99% reflectivity at 532 nM with a 532 nM diode laser and a Newport 1916c meter.  Recently surplussed by an optoelectronics company.  I did test these with a Zygo GPI interferometer. I measured the following pk-pk and rms readings for each unit: #1 .082 pk-pk   .019 rms #2 .320 pk-pk  .090 rms #3 .070 pk-pk  .020 rms #4 .141 pk-pk  .035 rms #5 .261 pk-pk  .074 rms #6 .117 pk-pk  .034 rms   The last 2 photos show one unit under test and the test results.  I am giving readings off the diagonal cursor line through about the central 90% of the mirrors diameter across the pk-pk axis.  This is reasonably accurate without having the Zygo mask set up for cropping out the outer diameter noise.  I have done my best to show and describe the condition of these units, but I am selling them as-is as shown, I can not guarantee them for anything I can not measure further.  I will pack these carefully.  Thanks!  See my other auctions for similar mirrors and mounts.
Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes Used but in good condition as shown in photos. Flatness measured on Zygo GPI interferometer

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