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Low-Order Waveplates

Product Description: 

Waveplates are made from birefringent materials such as quartz crystal and magnesium fluoride with the optic axis in the surface plane. When a linearly polarized beam enters a waveplate, the linearly polarized beam is resolved into components projected along the fast axis and the slow axis. The two components experience a relative phase retardation which is given by:

 

(1)

where d is the thickness of the waveplate; no and ne are the refractive indices of o-ray and e-ray; λ is the wavelength.

 

Figure 1: A λ /2 phase retardation quartz waveplate rotates the polarization of a linearly polarized beam by 2Φ

When phase retardation is a nonzero value, the waveplate transforms polarizations from one state to another. The thickness of a true zero order λ/2 phase retardation quartz waveplate in the visible spectrum is around 25 µm. Such a thin component is difficult to handle. One solution is to create "multiple order" waveplates with phase retardation equal to (m+1/2)•λ where m is an integer. The integer part of the retardation has no direct effect on the performance of a waveplate. However, because the integer part constitutes most of the overall retardation, it increases the sensitivity of the part's effective retardation to temperature or wavelength variation.

You may check this link (http://www.pmoptics.com/quartz_crystal.html) for quartz properties.

Specifications :  

  Material 
Crystal Quartz
  Wavelength Range
 240 ~ 2100 nm
  Dimensional Tolerance
± 0.05 mm
  Optical Axis Orientation Tolerance
 ± 0.1°
  Retardation Tolerance
 < λ/300
  Parallelism 
  < 3 arc seconds
  Flatness  
  λ/8 @ 632.8 nm
  Surface Quality
  20 ~ 10
  Wavefront Distortion  
  λ/8 @ 632.8 nm
  AR Coating
  Specified by customer

 

Low-order half waveplates in stock, 85X20mm, wavelength: 780nm, PLWP-078010231 ($196.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, 21.5X16.5mm, wavelength: 780nm, PLWP-078010621 ($98.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, 37X23mm, wavelength: 780nm, PLWP-078010121 ($136.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order half waveplates in stock, 37X23mm, wavelength: 780nm, PLWP-078010131 ($136.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, 12.5X37.0mm, wavelength: 852nm, PLWP-085210921 ($130.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, 12X15.5mm, wavelength: 852nm, PLWP-085210821 ($76.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, 3X3mm, wavelength: 852nm, PLWP-085211021 ($25.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order half waveplates in stock, 3X3mm, wavelength: 852nm, PLWP-085211031 ($25.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

1-order half waveplates in stock, 5X5mm, wavelength: 656nm, PLWP-065610430 ($50.0):  

 
 

 
Optical axis aligned 22.5 degrees to edge. NO AR coating. Contact us for quantity pricing.

 

1-order half waveplates in stock, 5X5mm, wavelength: 656nm, AR coating on both sides. PLWP-065610431 ($60.0):  

 
 

 
Optical axis aligned 22.5 degrees to edge. Contact us for quantity pricing.

 

1-order quarter waveplates in stock, 5X5mm, wavelength: 656nm, PLWP-065610420 ($50.0):  

 
 

 
Optical axis aligned 45 degrees to edge. NO AR coating. Contact us for quantity pricing.

 

1-order quarter waveplates in stock, 5X5mm, wavelength: 656nm, AR coating on both sides. PLWP-065610421 ($60.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

low-order quarter waveplates in stock, 5X5mm, wavelength: 532nm, AR coating on both sides. PLWP-053210421 ($60.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

low-order half waveplates in stock, 5X5mm, wavelength: 532nm, AR coating on both sides. PLWP-053210431 ($60.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

1-order lambda/8 waveplates in stock, 5X5mm, wavelength: 1064nm, PLWP-1064-10411 ($25.0):  

 
 

 
Optical axis aligned 45 degrees to edge. Contact us for quantity pricing.

 

Low-order half waveplates in stock, 4 mm octagon, wavelength: 780nm, PLWP-078010031 ($36.0):  

 
 

 
Contact us for quantity pricing.

 

Low-order half waveplates in stock, 8 mm octagon, wavelength: 852nm, PLWP-085211131 ($66.0):  

 
 

 
Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, Φ25.4 mm, wavelength: 852nm, AR coating on both sides. PLWP-085211321 ($88.0):  

 
 

 
Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, Φ20.0 mm, wavelength: 852nm, AR coating on both sides. PLWP-085210321 ($88.0):  

 
 

 
Contact us for quantity pricing.

 

Low-order half waveplates in stock, Φ25.4 mm, wavelength: 852nm, AR coating on both sides. PLWP-085211331 ($88.0):  

 
 

 
Contact us for quantity pricing.

 

Low-order half waveplates in stock, Φ20.0 mm, wavelength: 852nm, AR coating on both sides. PLWP-085210331 ($88.0):  

 
 

 
Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, Φ12.7 mm, wavelength: 850nm, AR coating on both sides. PLWP-085011221 ($50.0):  

 
 

 
Optical axis is normal to the cut . Contact us for quantity pricing.

 

Low-order half waveplates in stock, Φ12.7 mm, wavelength: 850nm, AR coating on both sides. PLWP-085011231($50.0):  

 
 

 
Optical axis is normal to the cut . Contact us for quantity pricing.

 

Low-order quarter waveplates in stock, Φ20 mm, wavelength: 780nm, PLWP-078010321 ($88.0):  

 
 

 
Optical axis is normal to the cut . Contact us for quantity pricing.

 

Low-order half waveplates in stock, Φ20 mm, wavelength: 780nm, PLWP-078010331 ($80.0):  

 
 

 
No cut to indicate the optical axis. Contact us for quantity pricing.

 

 Ordering Information:

    P    L
  W
  P

       
  X 
   
 
     
           

A

 

B

 

C

 

D

 

E

   
     

A

 Wavelength

 1550 = 1550nm
 
 0980 = 980nm
 
 XXXX = Your Application Wavelength
 
 

B

Material

 1 = Crystal Quarzt
 
   0 = Special
 
 

C

Dimensions

 01 = 10mm  
  Check Standard Size Table Below
 
   00 = Custom Dimensions
 
 

D

Phase Retardation

1 = λ/8
 
  2 = λ/4
 
  3 = λ/2
 
  4 = λ
 
   0 = Special
 
 

E

AR caoting

1 = yes
 
   0 = NO
 

 

Standard Size Table:  

  Dimensions P/N
(mm)
  01
37X23
   02
 85X20
   03
 Φ20

 

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