THz Windows

Download THz Windows Datasheet (PDF, 195 KB)

We offer THz windows made of crystal and polymer materials.

THz_Windows

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:

No. Diameter Thickness, mm
mm inches
1 25.4 1.0 1.0
2 38.1 1.5 1.0
3 50.8 2.0 1.0
4 76.2 3.0 1.0
5 101.6 4.0 1.0


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 80/50
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:

No. Diameter Thickness, mm
mm inches
1 25.4 1.0 1.0, 2.0, and 3.0
2 38.1 1.5 1.0, 2.0, and 3.0
3 50.8 2.0 1.0, 2.0, and 3.0

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

Commom specification:

Material TPX
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 (two-sided polishing)
Surface roughness Rz 0.025
Surface accuracy, mm ±0.01 deviation from ideal plane
 

 

The following TPX windows are available from stock:

No. Diameter Thickness, mm
mm inches
1 25.4 1.0 2.0
2 38.1 1.5 3.0
3 50.8 2.0 3.5


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.