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Products  >  Prisms  >  Wedges
 
 
Wedges
 

Wedge prisms

  are used individually to deviate a beam through some specified angles. When used in pairs, the wedge prisms can steer a beam anywhere within a circle described by full angle 4α, where is the deviation from a single prism. The beam steering is accomplished by rotating the two wedge prisms independently of each other.
 
   
General Specifications
Material
N-BK7
Design wavelength
632.8nm, n=1.51467
Dimensional tolerance
±0.1mm
Surface quality
60-40
Flatness
λ/4@632.8nm
Wedge tolerance
¡À1 arcmin
Thickness of thin edge
3.0mm
Bevel
Protective bevel
 
 
Typical Sizes
Diameter

Deviation
angle(α)

Wedge
angle(β)

T(mm)
Thickest

Φ25.4
1¡ã
1¡ã57'
3.86
Φ25.4
2¡ã
3¡ã53'
4.72
Φ25.4
4¡ã
7¡ã41'
6.43
Φ25.4
6¡ã
11¡ã21'
8.11
Φ25.4
8¡ã
14¡ã51'
9.74
Φ25.4
10¡ã
18¡ã08'
11.33
Other sizes and shapes are available.
 
Choose Coatings  
¡ñ Single layer MgF2
¡ñ Anti-reflective coating, R<0.25%@design wavelength
 
 
 
        How to order Wedge Prisms?              Example:
Material:   N-BK7
Size:   Φ15.0x3.0+/-0.1mm
Angular accuracy:   7¡ã41'¡À1'
Surface quality:   60-40 S/D
Surface flatness:   λ/4 @633nm
   
Coating:   AR @780nm, R<0.5%, AOI=0¡ã
 
   Price on Request
 
   Custom Design
 
   Volume Discount 
 
 
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