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Lyot Depolarizer

Lyot Depolarizer

Optical depolarizer is a kind of optical passive component which can transform the input polarized or partial polarized light into non-polarization light (depolarization), it is designed according to Lyot depolarizer's principle.

Dayoptics Lyot depolarizer consists of two crystalline plane parallel plateswhose axes is 45o apart from each other with optical contacted. The thickness ratio of two plates length is typically 2:1. The depolarization is created by the superposition of the circularly, elliptically and linearly polarized light in different wavelengths. The depolarizer is not suitable for usage in monochromatic light.

Theory Data

DOP – Degree of Polarization, DOP=1 good polarization, DOP=0 good depolarization

Material: Calcite

DOP vs. wavelength bandwidth

Laser beam Wavelength is 1550nm, with total length of 6mm

DOP Vs. input wavelength

(Input beam with 10nm bandwidth, total length 6mm)

Material: YVO4

DOP vs. wavelength bandwidth

Laser beam Wavelength is 1550nm, with total length of 6mm

DOP Vs. input wavelength

(Input beam with 10nm bandwidth, total length 6mm)

Material: Quartz

DOP vs. wavelength bandwidth

Laser beam Wavelength is 1064nm, with total length of 6mm

DOP Vs. input wavelength

(Input beam with 100nm bandwidth, total length 6mm)

Specification:
• Material: Calcite, YVO4, Quartz • Wavelength Range: Calcite: 350-2300nm, YVO4: 400-4000nm, Quartz: 200-2300nm • Dimension: +0/-0.2mm• Parallelism: < 20 arc second • Flatness: λ /10 @633nm• Surface Quality: 20/10• Surface contact method: Optical contact• Coating is available upon requirement• Mount is available upon requirement

Total Length: 6mm

Part Number Material Aperature Total Length Unit Price
DPL7005
CaCO3
5X5mm
6mm
$180
DPL7010
CaCO3
10X10mm
6mm
$250
DPL8005
YVO4
5X5mm
6mm
$260
DPL8010
YVO4
10X10mm
6mm
$320
DPL9005
Quartz
5X5mm
6mm
$150
DPL9010
Quartz
10X10mm
6mm
$220

 

 

 

 

2007 Dayoptics, Inc. Address: 20 Baihua Zhou Road jinshan Pushang Industrial Park, Fuzhou, China.
Tel: +86 591 83854978,83215681,88079782,88079884 Fax: +86 591 83215359 E-mail: sales@dayoptics.com