Ir Cutoff Filter, 47.0mm Dia X 1.1mm Thick Bk7. 1 Lot Of 2x

US $1100

  • Anaheim, California, United States
  • Jun 18th
1 LOT OF 2 PIECES! Expand your lab collection!  Have items on hand to EXPERIMENT, DESIGN, INVENT, RESEARCH, DEVELOP, or just TINKER; the possibilities are endless with optics!  Coating Front Surface: Dielectric IR Cutoff Filter, T Avg >94.0% 400-620nm, T Avg 720-1050nm <1.0%, and T=50.0% at 650nm ±10nm, 0° AOI.  SEE ATTACHED GRAPH. Back surface is BBAR coated for <0.5%, 425-675nm. Substrate is 1.1mm BK7. Flatness is <2 waves over central 44mm clear aperture.  Parallelism <3 minutes.  47.00 ±0.10mm DIA x 1.10 ±0.10mm THK. Edges ground and slightly beveled. Surface quality 60/40 (actually much more like 40/20).  Individually packed in tissue lined envelopes.  These are high end optics, but failed to meet our customers’ high 20/10 surface quality spec. YOU WILL RECEIVE 2 PIECES FOR THE LISTED PRICE. Will ship internationally - buyer to pay flat rate shipping of $16.95 to cover shipping fees, box, and customs documentation.

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