Download THz Windows Datasheet (PDF, 54 KB)

We offer THz windows made of crystal and polymer materials.

1. Crystals 

1.1 HRFZ-Si Windows

Commom specification:

Material HRFZ-Si Type plano-plano Available sizes, mm to 150 Diameter or cross-cut tolerance,mm +0.0 /-0.1 Thickness tolerance, mm  +/0.1 Clear apperture, % >=90 Parallelism, arc. min 3 Surface quality, scr/dig 60/40 Surface accuracy, mm +/-0.01 deviation from ideal plane Coating AR coatings upon request

The following HRFZ-Si windows are available from stock:

Custom sizes are manufactured upon request.
The finished parts of different dimensions are available from stock and supplied within a week.
Please check the Optics stock.
For price quotation and delivery please fill in our Request form. 

1.2  THz Grade Crystal Quartz and THz Grade Saphhire Windows

Commom specification:

Material THz grade crystal quartz (z-cut) and THz grade saphhire Type plano-plano Dimensions tolerance, mm +/-0.1 Clear apperture, % >=90 Parallelism, arc. min 5 Surface quality, scr/dig 60/40 Surface accuracy, mm +/-0.01 deviation from ideal plane Coating (for crystal quartz) AR coatings upon request

The following THz Grade Crystal Quartz windows are available from stock:

Alternate sizes and custom designs are available upon request.

The following sizes of THz grade crystal quartzare are available:
- for crystals grown along Z-axis: X >=100 mm, Y>=150 mm and Z up to 35 mm;
- for crystals grown along X-axis: X up to 30 mm, Y>=100 mm and Z>=125 mm.

THz grade sapphire windows are available upon request.
The finished parts of different dimensions are available from stock and supplied within a week.
Please check the Optics stock.
For price quotation and delivery please fill in our Request form.

2. Polymers

TPX and HDPE

Commom specification:

Material TPX and HDPE Type plano-plano, wedged (wedge is 6 mrad) Available diameters, mm to 100 Dimensions tolerance,1mm + /-0.25 Clear apperture, % >=90 Surface quality, scr/dig 80/50 scr/dig (two-sided polishing) fine-ground (only HDPE) Surface roughness Rz 0.025 (TPX) Rz 0.05 (polished HDPE) Rz 0.1 (fine-ground HDPE) Surface accuracy, mm +/-0.01 deviation from ideal plane

2.1 TPX Windows

The following TPX windows are available from stock:

Custom sizes (max thickness 30 mm) are manufactured upon request.
The finished parts of different dimensions are available from stock and supplied within a week.
Please check the Optics stock.
For price quotation and delivery please fill in our Request form.

2.2 HDPE Windows

The following HDPE windows are available from stock:  

Custom sizes are manufactured upon request.
The finished parts of different dimensions are available from stock and supplied within a week.
Please check the Optics stock.
For price quotation and delivery please fill in our Request form.