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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 principle.



Dayoptics Lyot depolarizer consists of two crystalline plane parallel plates whose axes is 45° apart from each other with optical contacted.The thickness ratio of two plates length is typically 2:1.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 1550nm,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,YVO4:500-4000nm,Quartz:200-2300nm
Dimension Tolerance +0/-0.2mm
Parallelism <20 arc second
Flatness λ/4@633nm
Surface Quality 20/10  Scratch/Dig
Surface Contact Method Optical Contact or Cemented
Total Length 6mm

Coating is available upon requirement

Mount is available upon requirement

Part No Material Aperature Total Length Unit Price
DPL7005 CaCO3 5*5mm 6mm $180
DPL7010 CaCO3 10*10mm 6mm $250
DPL8005 YVO4 5*5mm 6mm $260
DPL8010 YVO4 10*10mm 6mm $320
DPL9005 Quartz 5*5mm 6mm $150
DPL9010 Quartz 10*10mm 6mm $220


optical bonding deep bonding depolarizer

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