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Circular Polarizer

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If you need the best and cheapest circular polarizer sheet, then you’ll LOVE following products.

A linear polarizer plus a quarter wave plate retarder film = Circular Polarizer which can be applied to circular polarized 3D glasses and other application.

All circular polarizers are RoHS compliant.



Circular polarization may be referred direction to right handedness or left handedness.
You might be interesting to know what is handedness?

Categories » Circular Polarizer
 
Circular Polarizer 50x50mm
Product No: CP50
In Stock: 157
Size: 50mm x 50mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
  100~       $1.06
   50~       $1.12
   25~       $1.18
   10~       $1.24
List Price: US$1.60
Price: US$1.30
GBP0.97 €1.10
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Circular Polarizer 75x75mm
Product No: CP75
In Stock: 112
Size: 75mm x 75mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
  100~       $2.45
   50~       $2.58
   25~       $2.70
   10~       $2.85
List Price: US$3.50
Price: US$3.00
GBP2.24 €2.54
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Circular Polarizer 100x100mm
Product No: CP100
In Stock: 75
Size: 100mm x 100mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
  100~       $4.25
   50~       $4.28
   25~       $4.52
   10~       $4.75
List Price: US$5.60
Price: US$5.00
GBP3.74 €4.24
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Circular Polarizer 120x120mm
Product No: CP120
In Stock: 34
Size: 120mm x 120mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
   25~       $7.20
   10~       $7.60
List Price: US$10.00
Price: US$8.00
GBP5.98 €6.78
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Circular Polarizer 150x150mm
Product No: CP150
In Stock: 32
Size: 150mm x 150mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
   25~       $10.82
   10~       $11.40
List Price: US$15.00
Price: US$12.00
GBP8.97 €10.16
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Circular Polarizer 200x200mm
Product No: CP200
In Stock: 15
Size: 200mm x 200mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
   25~       $20.00
   10~       $21.00
List Price: US$26.00
Price: US$22.00
GBP16.45 €18.63
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Circular Polarizer 250x250mm
Product No: CP250
In Stock: 15
Size: 250mm x 250mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
   10~       $32.30
List Price: US$40.00
Price: US$34.00
GBP25.42 €28.80
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Circular Polarizer 300x300mm
Product No: CP300
In Stock: 8
Size: 300mm x 300mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C / 90%RH / 500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Quantity   Unit Price
   10~       $46.50
List Price: US$55.00
Price: US$49.00
GBP36.63 €41.50
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Circular Polarizer 500x1000mm
Product No: CP500
In Stock: 163
Size: 500mm x 1000mm
Type: high contrast circular polarizer
Transmittance: single(42%) ; parallel(35%) ; crossed(0.5%)
Color: neutral gray circular polarizer
Polarizing efficiency: 99.98%
Retardation film: 125nm
UV-Cut: Yes
Thickness: 0.28mm
Durability: 60°C/90%RH/500Hours circular polarizer test passed
Adhesive glue: No
Protective film: both sides (please remove the protective films before using circular polarizer)
Application: Circular 3D glasses, 3D projector, circular camera filter, photography, reflective and transflective LCD, OELD, Touch panel and more...
Packing: roll packed in paper tube
* Every circular polarizer have two 45° retarder film seams and the seam position is at random selection.
Quantity   Unit Price
   50~       $85.00
   25~       $90.00
   10~       $94.00
List Price: US$120.00
Price: US$99.00
GBP74.00 €83.85
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The circular polarizer is composed of a linear polarizer and a quarter-wave plate, which is made of a special birefringent material.

The optical properties of the birefringence are when the light will have two different directions of refraction. And the wave plate itself according to its own material has the so-called optical axis, when a linearly polarized light into his vibration will be broken down into two directions of vibration: one is the direction of the optical axis, known as the fast axis, The other is the direction perpendicular to the optical axis, called the slow axis.

When the linearly polarized light and the optical axis of the quarter-wave plate are parallel or vertical (the angle is 0 degrees or 90 degrees), the amplitude of the other direction is zero and the original linearly polarized light is maintained.

It is not broken down into two directions. And when the angle between the linearly polarized light and the optical axis is 45 degrees, the amplitude of the two directions is equal and the so-called circularly polarized light is formed; but if it is other angles, the amplitude of the two directions is different , And become elliptical polarized light. So in fact, circular polarization and linear polarization can be regarded as a special case of elliptical polarization.

In addition to the wave of light will be divided into two directions of vibration, vibration in these two directions because of the different thickness of the wave plate, there are different phase difference; and in the circular polarizer on the quarter of the wave plate.

That is, will produce a quarter of the phase difference. But also because of this quarter of the phase difference, so in the fast axis and slow axis of the two directions of the wave synthesis, it will produce a vibration direction will rotate the wave.