Featured Product from Dayoptics, Inc.
Dayoptics offers two types of achromatic waveplates: Optical contact and airspace. The specifcation of the waveplates as following:
Material: Quartz and MgF2
Parallelism: <1 arc second
Surface Quality: 20-10 Scratch/Dig
Clear Aperture: Central 90%
AR Coating: Ravg<1% at Specified Wavelength
Standard Wavelength:VIS 465-650nm, 600-900nm, NIR 700-1200nm,IR 750-1700nm