Group Velocity Delay Compensation Plates

  • Calcite plates
  • Different orientations for different GVD compensation
  • Clear aperture Ø12 mm (up to Ø20 mm are available on request)
  • Mounted in to 1" ring holder

Compensation plates are made of Calcite. Calcite plates are available with different orientation for different Group Velocity Delay compensation - starting from tens of femtosecond up to tens of picosecond delay compensation.

 

Standard delay compensation plates are adjusted for required compensation by angular tuning changing the angle of incidence. Suggested AOI is -5o to +5o; however, they can also operate at larger AOI.

 

Standard plates are made of 16x14 mm aperture, clear aperture Ø12 mm and mounted in to 1” ring holder. 

 

The optical axis is at special orientation – non parallel to faces of plate.

 

Standard calcite plates have clear aperture Ø12 mm. However, on special requests, clear apertures up to  Ø20 mm can be produced. AR coatings for custom wavelengths and Alpha-BBO plates are available on request.

Delivery

Estimated delivery time: from 4 - 5 days

Coatings
Delay Compensation Range*

Standard Calcite plates for delay compensation between 800 nm ("o" polarization) and 400 nm ("e" polarization) pulses:

Code Coatings Delay Compensation Range* Price Delivery Add to cart
225-2113 BBAR@800+400 nm 310-450 fsec 517 $ Request To cart
225-2114 BBAR@800+400 nm 370-520 fsec 517 $ 4 - 5 days To cart
225-2111 BBAR@800+400 nm 410-580 fsec 517 $ 4 - 5 days To cart
225-2115 BBAR@800+400 nm 440-630 fsec 517 $ 4 - 5 days To cart

*Delay compensation range at angle of incidence from -5 deg to +5 deg.

Delicious
Material Natural Calcite
Clear aperture Ø12 mm (up to Ø20 mm available on request)
Ring mount outer diameter 25.4 mm + 0.0/-0.2 mm
Surface quality 20-10 scratch & dig (MIL-PRF-13830B)
Wavefront distortion λ/4@ 633 nm
Parallelism <3 arc min
AR coating R<0.5 % 760-840 nm and R<1% at 380-420 nm
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