|
Polarizer is an important
optical component that is widely used in laser systems to generate
linear polarization laser. Red Optronics makes polarizers with three
types of
material: a-BBO, Calcite or YVO4. They are suitable for the widest spectrum and high polarization
purity applications.
|
Polarizer |
Material |
Illustration |
Properties and Application |
|
Glan-Taylor
Polarizer |
a-BBO
(190-3500nm)
Calcite
(350-2300)
YVO4
(450-5000) |
|
Air-spaced
Close to Brewster's Angle Cutting
The extraordinary ray passes through with little
deviation
Mounted without
escape windows
Suitable for low to medium power
application |
|
Glan-Laser
Polarizer |
a-BBO
(190-3500)
Calcite
(350-2300)
|
 |
Air Spaced
Close to Brewster's angle Cutting.
Mounted with escape windows
Suitable for high power applications |
|
Glan-Thompson
Polarizer |
Calcite
(350-2300)
|
 |
Cemented
Suitable for low
power applications.
Wide acceptance
angle |
|
Wollastom
Polarizer |
Calcite
(350-2300)
|
 |
Cemented.
Separate ordinary and
extraordinary beams at certain angle.
Suitable for low power
application and where the large deviation is
required. |
|
Rochon
Polarizer |
a-BBO
(190-3500) |
 |
a-BBO
is used to guarantee a wide transmission range.
Especially, suitable for UV
application.
Split the ordinary and
extraordinary ray, but only ordinary beam is
deviated. |
|
Polarization
Beamsplitter |
BK7 Grade A Optical
Glass
or
SF5
Optical
Glass |
 |
Split the ordinary and
extraordinary ray. The ordinary beam is deviated 90°Refer to chapter
"Beamsplitter" For detailed
information. |
Standard
Specifications:
|
Wavelength Range: |
190-3500nm
(a-BBO),
350-2300nm (Calcite),
450-5000nm (YVO4) |
| Surface Quality: |
20-10 scratch and dig
(a-BBO, YVO4)
60-40 scratch and dig (Calcite) |
| Dimensions Tolerance: |
±0.1 mm |
| Beam Deviation: |
< 3 arc minutes |
| Transmission Wavefront Distortion: |
<l/4 @632.8nm for
a-BBO
<l/2 @632.8nm for
Calcite |
| Coating: |
Single layer MgF2 on Input and output surface |
| Housing: |
Black Anodized Aluminum |
|
Product
Name |
Part
No. |
Material |
Extinction Ratio
(dB) |
|
Angular
Field |
Clear
Aperture fa(mm) |
Outside
Diameter fd(mm) |
| Glan-Taylor Prisms |
GTP6010 |
a-BBO |
>55 |
/ |
6.0° |
f10 |
25.4 |
|
GTP6015 |
f15 |
30.0 |
|
GTP7010 |
Calcite |
>55 |
/ |
7.7° |
f10 |
25.4 |
|
GTP7015 |
f15 |
30.0 |
| Glan-Laser Prisms |
GLP6010 |
a-BBO |
>55 |
/ |
6.0° |
f10 |
25.4 |
|
GLP6015 |
f15 |
30.0 |
|
GLP7010 |
Calcite |
>55 |
/ |
7.7° |
f10 |
25.4 |
|
GLP7015 |
f15 |
30.0 |
| Glan Thompson Prisms |
GMP7110 |
Calcite |
>45 |
L/A=2.5 |
14°-16° |
f10 |
25.4 |
|
GMP7115 |
f15 |
30.0 |
|
GMP7210 |
>45 |
L/A=3.0
|
25°-28° |
f10 |
25.4 |
|
GMP7215 |
f15 |
30.0 |
| Wallaston Prisms |
WSP7010 |
Calcite |
>55 |
Separation
Angle
15°-20° |
f10 |
25.4 |
|
WSP7015 |
f15 |
30.0 |
| Rochon Prisms |
RCP6010 |
a-BBO |
Beam
Deviation
a=8°@1064nm |
>6.9° |
f10 |
25.4 |
|
RCP6015 |
f15 |
30.0 |
Note:
special sizes are
available upon request.
Ordering
Information:
Part No, -wavelength
For Example,
GTP6010-808
|
