WinCamD Reflective Attenuator Set (190nm - 355nm)

Specifications

Substrate Material: BK7
Damage Threshold: 20 J/cm2, 20 ns, 20 Hz @ 1064 nm
OD Options: 1.0, 2.0 & 3.0. (Reflectivities of 90, 99 & 99.9 %, meaning Transmissions 1, 0.1 & 0.01 %)
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Features



  • Mounted thin‐film high power reflective attenuators for WinCamD series

  • Center wavelength options: 488 to 1900 nm

  • OD options: 1.0, 2.0 & 3.0. (Reflectivities of 90, 99 & 99.9 %, meaning Transmissions 1, 0.1 & 0.01 %)

  • Mounting: Screw‐on holder or permanently mounted in head.

  • BK7 substrate, 200 ±50μm thick, λ/4 in transmission at 633nm over central 6mm φ.

  • Electron‐beam multilayer dielectric, specified for ±10° angle of incidence.

  • Power below 1 W x (Beam diameter in mm)? Use ND filters or contact factory


Applications



  • Commonly used with DataRay laser beam profilers

  • Beam attenuation and diagnostics

  • Laser beam alignment