A-25.4-B-R-C-X
Waveplates · Cookbook p. 14
Achromatic — Cemented (A series) — A-25.4-B-R-C-X
Achromatic — Cemented (A series) — A-25.4-B-R-C-X is listed in Tower Optical's Optics Cookbook No. 9 on page 14. 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 Optical axis marked on mounting ring. Contact sales to confirm current price, inventory, wavelength, coating, and configuration before ordering.
$845
per unit · catalog list; confirm current pricing
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-25.4-B-R-C-X
- Product family
- Achromatic — Cemented (A series)
- Size
- Ø25.4 in 30 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 (cemented)
- Construction / type
- Cemented (B)
- Mounting option
- 30 mm anodized Al ring (C), ring thickness 6 mm
- Coating
- Broadband AR per range (Ravg <1% to <0.5%/surface)
- Catalog source
- Optics Cookbook No. 9, page 14
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