P90: Precision Bending Prism

P90: Precision Bending Prism
High quality AR-coated right angle prism for 90° beam redirection; N-BK7 or UV-grade fused silica. Can be used over the full transmission range of the prism material or modified with a metal coating.
- Product Code: P90-C, P90-UV, P180-C, P180-UV
- Optical Material: N-BK7 or Standard Grade Corning
7980 1-D (Fused Silica) - Dimensional Tolerance: +0/-0.25mm
- Angular Deviation: ±3 arc minutes
- Chamfer: 0.35mm leg width at 45° nominal
- Surface Figure: N-BK7: < λ/4 p-v at 633nm before coating
Fused Silica: < λ/10 p-v at 633nm before coating - Surface Quality: N-BK7: 20-10 scratch-dig per MIL-PRF-13830b
Fused Silica: 10-5 scratch-dig per MIL-PRF-13830b - Clear Aperture: ≥85% of central dimension
- Anti-reflection Coating: Single wavelength: R≤0.25% per surface
Broadband: Ravg≤0.50% per surface - Adhesion and Durability: Per MIL-C-48497a
- Damage Threshold: Pulsed: 10 J/cm2, 20ns, 20Hz at 1064nm
cw: 10 MW/cm2 at 1064nm