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Waveplates Include 1 / 2lamda , 1 / 4lambda , Cemented Achromatic, Zero-order

Posted at: Offers to Sell and Export | Posted on: Sun 22 Mar, 2009 1:11 am |
 
waveplates 1 2lamda 4lambda cemented achromatic zero
Products Photos CatalogWaveplates 2lamda Photos Catalog



Waveplates (retardation plates or phase shifters) are made from materials which exhibit birefringence.



The velocities of the extraordinary and ordinary rays through the birefringent materials vary inversely with their refractive indices. The difference in velocities gives rise to a phase difference when the two beams recombine. In the case of an incident linearly polarized beam this is given by a=2pi*d(ne-no)/l (a-phase difference; d-thickness of waveplate; ne, no-refractive indices of extraordinary and ordinary rays respectively; l-wavelength). At any specific wavelength the phase difference is governed by the thickness of the retarder.

The thickness of a half waveplate is such that the phase difference is l/2-wavelength (true-zero order) or some multiple of l/2-wavelength (multiple order

The thickness of the quarter waveplate is such that the phase difference is l/4 wavelength (true-zero order) or some multiple of l/4 wavelength (multiple order).

Material: Optical grade Crystal Quartz

Dimension Tolerance: +0.0, -0.2mm

Wavefront Distortion: l /8@633nm

Retardation Tolerance: l/100

Surface Quality: 20/10 Scratch and Dig

AR Coating: R<0.2% at center wavelength

Standard wavelength: l @1064nm + l /2@532nm

l /2@1064nm + l @532nm



Company Contact:

lasertec photo
Contact Name: Gary Lee
Company Name: Lasertec Inc
Email: Email or Email
Skype: Lasertec4
Tel: 86-591-22732075
Fax: 86-591-82652571
Street Address: 103-3 Hutang Village,
Gushan, Jinan, Fuzhou, Fujian, PR China
Website: http://www.lcoptical.com
Member name: lasertec
Country: China-CN China
Member Since: 28 February 2009
Total Leads: 42 lasertec Import Export Business Leads
Business focus: Laser Crystals, Optical Components, Prism, Lense, Filter, Sapphire, Widows, Ndyvo4, Lbo, Ktp, Ndyag
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