Optical Prism

PhotonExport supplies quality optical prisms for all use-cases. High precision grade prisms are available with the tightest tolerances. For a wider range of uses or markets, our commercial grade prisms also offer a full complement of prism shapes and geometry available by custom order.


Prism Specification

CommercialPrecisionHigh Precision
Dimensions10 -200mm10 - 150mm10-150mm
Dimensional Tolerance±0.25mm±0.1mm±0.05mm
Irregularity (P-V)ΔN=1ΔN=0.5ΔN=0.3
Angle Accuracy±3 arcmin±30 arcsec±1 arcsec
Pyramidal Accuracy±3 arcmin±1 arcmin±5 arcsec
Bevel (Face Width @ 45°)±0.2mm±0.1mm±0.05mm
Surface Quality60-4040-20 10-05

Prism Coating Capabilities

SubstratesAll Glass Types
Spectral Ranges300~3000nm
Spectral Edge Tolerance<1% Deviation, <0.2% Special Cases
Bandwidth1nm - Broadband
AR Coating Transmission>99%
Reflection0.1 – 99.9%
Polarisation (S:P)10000:1
Laser Damage ThresholdUp to 20 J/cm2 @ 20ns Pulses
DurabilityMIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1