偏振器



A polarizer is an important optical component that is widely used in laser systems to generate the linear
polarization laser. Foctek makes following polarizers with five materials, a-BBO, Calcite and YVO, Quartz
MgF, , suitable for the widest spectrum and high polarization purity applications.
Polarizer
Material
Illustration
Properties and online_ordering
Glan-Taylor Polarizer
 
a - BBO  (200-3500nm) 
Calcite (350-2300nm) 
YVO 4  (400-5000nm)

a -BBO
  • Air-spaced
  • Close to Brewster's Angle Cutting
  • Low L/A=0.8
  • Mounted without escape windows
  • For low to medium power online_ordering
Glan-Laser Polarizer
 
a - BBO (200-3500nm) 
Calcite (350-2300nm) 
YVO 4 (400-5000nm)

a -BBO
  • Air Spaced
  • Close to Brewster's angle Cutting
  • Mounted with escape windows
  • Suitable for high power online_orderings
  • L/A=1.5
High Transmission Glan-Laser Polarizer
 
Calcite (350-2300nm) 
YVO 4 (400-5000nm)

Calcite
  • Air Spaced wBrewster's Angle Cutting
  • Mounted without escape windows
  • Suitable for high power and high transmission online_ordering
  • Brewster Angle input
Glan-Thompson Polarizer
 
a - BBO 
(220-1100nm) 
(200-3300nm)
Calcite 
(350-2300nm)

a -BBO
  • Cemented
  • Suitable for low power online_orderings
  • Wide acceptance angle
Glan-Thompson Polarizer Beamsplitter Cube
 
Calcite 
(350-2300nm)

Calcite
  • Cemented
  • Separate ordinary and extraordinary beams at certain angle
  • Suitable for low power online_ordering and where the large deviation is required
Wollaston Polarizer
 
a - BBO 
(200-3500nm) 
Calcite 
(350-2300nm) 
YVO 4 
(400-5000nm) 
Quartz 
(200-2300nm)
MgF2
(130-6000nm)

a -BBO
  • Cemented
  • Separate ordinary and extraordinary beams at certain angle
  • Suitable for low power online_ordering and where the large deviation is required
Rochon Polarizer
 
a - BBO 
(200-3500nm) 
YVO 4 
(400-500nm) 
Quartz 
(200-2300nm)

a -BBO
  • a -BBO is used to guarantee a wide transmission range
  • Especially, suitable for UV online_ordering
  • Split the ordinary and extraordinary ray, but only ordinary beam is deviated
Polarization Beamsplitter
N-BK7 Grade A Optical Glass 
or N-SF2 Optical Glass

 
  • Split the ordinary and extraordinary ray. The ordinary beam is deviated 90°Refer to chapter "Beamsplitter" For detailed information.
BroadBand Polarization Combiner YVO 4 
(400-5000nm) 
 

YVO 4 
 
  • Air Spaced
  • For Hight power Application
  • Broad Band From 500-5000nm

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