A-12.7-A-R-B-X
Waveplates · Cookbook p. 15
Achromatic — Air Spaced (A series) — A-12.7-A-R-B-X
Achromatic — Air Spaced (A series) — A-12.7-A-R-B-X is listed in Tower Optical's Optics Cookbook No. 9 on page 15. Crystal quartz + MgF2; retardance λ/4 & λ/2; retardation tolerance λ/100 over range; temp coefficient <λ/500 per °C; transmitted wavefront distortion λ/4 @633 nm; surface quality 20-10 scratch-dig; parallelism <1 arc min; AOI ±3° for <1% retardance change; damage threshold 2 J/cm² (8 ns @1064 nm), 500 kW/cm² CW Standard version is air-spaced; custom AWPs available. Contact sales to confirm current price, inventory, wavelength, coating, and configuration before ordering.
Stock / short lead time
Volume pricing, custom sizes, coatings and mounts available — review your quote list or request a formal quote.
Specifications
- Model number
- A-12.7-A-R-B-X
- Product family
- Achromatic — Air Spaced (A series)
- Size
- Ø12.7 in 25.4 mm ring
- Wavelength(s)
- X: 1=465–610, 2=700–1000, 3=1200–1650, 4=610–850 nm
- Retardation / band
- .250 / .500
- Material
- Crystal quartz + MgF2 (air spaced)
- Construction / type
- Air gap (A)
- Mounting option
- 25.4 mm anodized Al ring (B), ring thickness 8–9 mm
- Coating
- Broadband AR per range (Ravg <1% to <0.5%/surface)
- Catalog source
- Optics Cookbook No. 9, page 15