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Flatness: l/4
Dimension Tolerance: +0/-0.2
Surface Quality: 20/10
Material: MgF2+Quartz crystal
Brand Name: United Photonics Technology
Place of Origin: China (Mainland)

Specifications

Achromatic Waveplate

Unlike standard waveplates, Achromatic Waveplates, provide a constant phase shift independent of the wavelength of light that is used.this wavelength independence is achieved by using two different crystalline materials to yield quarter- or half-wave retardation over a broad spectral range.the Retardation tolerance of our AWPs is better than λ/100 over the entire wavelength range.the flat response of an AWP is ideal for use with tunable lasers,multiple laser-line systems and other broad spectrum sources.

high precision Achromatic WaveplateCapability
MATERIAL
Crystal Quartz&MgF2 Crystal
DIMENSION TOLERANCE
+0/ -0.2mm
WAVEFRONT DISTORTION
Λ/4   
RETARDATION TOLERANCE
<λ/100
WAVELENGTH RANGE
240~2100nm
PARALLELISM
3 arc seconds
SURFACE QUALITY
40-20 scratch and dig
CLEAR APERTURE
90%
AR/AR COATING
Rave<0.8%    450~680nm,
Rave<0.8%   700~1000nm,
Rave<0.5%   950~1300nm,
Rave<0.5%   1200~1650nm
STANDARD WAVE
Quarter-wave (λ /4), half-wave (λ/2)
 Specifications:
 λ/4
Waveplates P/N # 
λ/2
Waveplates P/N #
Mounter Dia(mm)
Clear Aperture (mm)
Mounter Thickness(mm)
AWP410
AWP210
25.4
10
8
AWP412
AWP212
25.4
12.7
8
AWP415
AWP215
25.4
15
8
AWP420
AWP220
30
20
8
AWP425
AWP225
30
23.5
8

 Note:
   Custom designs for other sizes and coatings are also available upon request.
   UPT's standard coatings are available.
   Other waveplates with different wavelength range are also available upon request, please contact UPT for more information. 
 
United Photonics Technology