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Telecom Waveplates
Keyword：
Telecom Waveplates
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- Description
- Cas'Tech Class
- Parameters
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Introduction:
Wave retarders are used widely in applications like rotating polarization, transforming between linear and circular polarization. CASTECH offers quarter- and half-wave plates in a variaty of options including Multiple Order Waveplates, Cemented Zero-Order Waveplates, Airspaced Zero-Order Waveplates, True Zero-Order Waveplates, Dual Wavelength waveplates. CASTECH’s waveplates feature high precision, high damage threshold level and more importantly, we have the capacity to design and customize specific ideal waveplates to fit your exact application.
Specifications：
Material Crystal Quartz Diameter Tolerance +0/-0.1mm Design Wavelength 1550nm Retardance Accuracy ＜λ/300 @ 1550nm Surface Quality 40/20 Wavefront Distortion λ/4 @ 632.8nm over the full aperture Parallelism ≤3″ AR Coating Both surfaces R＜0.25% @ 1525-1565nm Damage Threshold 500W/cm2,4J/cm2，20ns 
Order Information：
WPT ---- 040 ---- 030 ---- 1/4 ---- W1550 ↓ ↓ ↓ ↓ ↓ Product Code Length=4.0mm Width=3.0mm Retardation=λ/4 Wavelength "λ"=1550nm Types：
“1/4”means Quarter Waveplate
“1/2” means Half Waveplate
Also, please provide the angle θ.
Telecom waveplates are designed and manufactured specifically to meet the demanding requirements of telecom component designers.
CASTECH provides telecom waveplate with many kinds of sizes , they are 91.5μm thick for the half-waveplate and 45.7μm thick for the quarter-waveplate at 1550nm. The telecom waveplates are AR coated from 1525nm to 1565nm in order to minimize surface reflection losses.
Standard Telecom Waveplates：
size Design Wavelength AR Coating Retardation Kinds of size 1550nm R＜0.25% @ 1525-1565nm λ/4或λ/2 Note：Custom designs for other specifications and coating are also available upon request.
Key words:- ultra thin waveplate
- Telecom Waveplates
- half-waveplate
- quarter-waveplate
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