Wire Grid Polarizer Standard sample

Key Features

・Excellent heat resistance compared to organic
polarizers.
・It is particularly advantageous for the applications requiring environmental durability.

WGP Sample

Table1:Performance Specification

 MRLS 1
Visible WGP
MRLS 2
Beam splitter WGP
MRLS 3
Wide wave length range WGP
Wave length range420nm to 700nm420nm to 700nm300nm to 2500nm
Transmittance (Tp)83%(450nm)
85%(550nm)
85%(650nm)
83%(450nm)
85%(550nm)
85%(650nm)
83%(450nm)
85%(550nm)
85%(650nm)
90%(2500nm)
Extinction ratio (Tp/Ts)200:1(450nm)
300:1(550nm)
500:1(650nm)
200:1(450nm)
300:1(550nm)
500:1(650nm)
200:1(450nm)
300:1(550nm)
500:1(650nm)
1000:1(2500nm)
Reflectance (Rs)-75%-
Extinction ratio (Rs/Rp)-30-
Angle of Incidence0±20 °45 ±15 °0±20 °

Table2:Substrate Characteristics

 MRLS 1
Visible WGP
MRLS 2
Beam splitter WGP
MRLS3
Wide wave length range WGPCoefficient
Substrate size25 x 25mm25 x 25mm25 x 25mm
SubstrateAlkaline Free glassAlkaline Free glassFused Silica
Tickness0.725mm0.725mm0.725mm
Index of Reflection480nm 1.5160
643.8nm 1.5078
480nm 1.5160
643.8nm 1.5078
486.1nm 1.4633
656.3nm 1.4565
Coefficient of Thermal Expansion31.7E-7 / /℃ (0 -300 ℃)31.7E-7 / /℃ (0 -300 ℃)5.5E-7/ ℃ (0 -300 ℃)

Table3:Others

Edge Exclusion2mm (25mm□)2mm (25mm□)2mm (25mm□)
TA Tolerance±1°±1°±1°
CoatingBack side ARBack side AR-

Table4:Reliability Item(reference only)

Reliability ItemCondition
HT(High Temp)120degC/1,000hrs
HTHH(Hight Temp High Humidity)60degC/95%RH/1,000hrs
LT(Low Temp)-40degC/1,000hrs
TC(Thermal Cycle)-40/110degC, 30min each /500cycles

Typical Performance of MRLS1

How to function

When the metal grid pitch is less than half of the
wavelength, diffraction is suppressed and it
functions as a polarizer.

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