THz分束镜
 
   
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THz分束镜

THz Beam SplittersTHz光束分光片

  • 货  号:G54DC61453BD8D
  • 销售价: ¥8640.00
购买数量:
  (库存100)

THz光束分光片

-工作方式:
    -传统的THz分光片,用于普通光路,波束仅通过分束片一次;
    -用于迈克尔逊干涉仪的光路,波束通过分束片多次。
-材料:高阻硅 分光比: 54/46
-无镀膜,适用于宽光谱
-尺寸:
    截面:(1)40x30mm  (2)D=50.8mm
    厚度:5mm,3.5mm,其他尺寸也可定制



THz Beam Splitters

Download THz Beam Splitters Datasheet (PDF, 46 KB)

We offer THz beam splitters of 2 types:
- single-pass beam splitter. It is used in optical schemes where radiation passes through beam splitter one time;
- multi-pass beam splitter for interferometer scheme where beam passes throughsplitter several times.

The material of THz beam splitter is HRFZ-Si. These beam splitters provide transmittance/reflectance ratio about 54/46 (%) in the wide wavelength range without any coating.
Reflection and transmission curves are shown below.

HRFZ-Si transmission and reflection

Fig.1 HRFZ-Si transmission and reflection (sample thickness - 5 mm).

1. Single-pass THz Beam Splitter 
The specification for the single-pass beam splitter is the same as for a HRFZ-Si window. In fact plano-plano HRFZ-Si window could be used as single-pass beam splitter.

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 (two-sided polishing), scr/dig 60/40
Surface accuracy, mm+/-0.01 deviation from ideal plane

 

 


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


2. Multi-pass THz Beam Splitter
The multi-pass beam splitter (for interferometers) as opposed to a single-pass beam splitter should be produced with a high accuracy.

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  +/-0.01
Clear apperture, % >=90
Parallelism, arc. sec5
Surface quality (two-sided polishing),
scr/dig
60/40
Surface accuracy, λ@633 nm
1
THz beam splitters

 

The following multi-pass THz beam splitters are available from stock:

No.
Diameter
Thickness
mmmm
140x303.5
250.83.5




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