Polarizer Principles
Meadowlark Optics DOWNLOAD PRINCIPLES Dichroic Polarizers Meadowlark Optics offers an
Key Features
Polarizer Material: Dichroic Glass
Substrate Material: BK 7 Grade A, fine annealed
Transmitted Wavefront Distortion (at 632.8 nm): ≤ λ/4
Surface Quality: 40 – 20 scratch-dig
Beam Deviation: ≤ 3 arc min
Reflectance (per surface): ≤ 0.5 % at normal incidence
Temperature Range: – 50 ˚C to +70 ˚C
Recommended Safe Operating Limit:
1 W/cm², CW
200 mJ/cm², 20 ns, visible
2 J/cm², 20 ns, 1064 nm
Item # | Mount | Size | Wavelength | Clear Aperture | Thickness | Lead Time | Price | Quantity | Add to cart |
---|---|---|---|---|---|---|---|---|---|
PPM-050-λ | Mounted | 0.500 in. (12.70 mm) | Specify Custom Range 630 to 1580 nm | 0.400 in. (10.16 mm) | 0.250 in. (6.35 mm) | 7 weeks | $1,425.00 | Max: Min: 0 Step: 1 | |
PPM-100-λ | Mounted | 1.000 in. (25.40 mm) | Specify Custom Range 630 to 1580 nm | 0.700 in. (17.78 mm) | 0.350 in. (8.89 mm) | 7 weeks | $1,645.00 | Max: Min: 0 Step: 1 |
SPECIFICATIONS |
|
Polarizer Material |
Dichroic Glass |
Substrate Material |
BK 7 Grade A, fine annealed |
Transmitt ed Wavefront Distortion (at 632.8 nm) |
≤ λ/4 |
Surface Quality |
40 – 20 scratch-dig |
Beam Deviation |
≤ 3 arc min |
Reflectance (per surface) |
≤ 0.5 % at normal incidence |
Temperature Range |
– 50 ˚C to + 70 ˚C |
Recommended Safe Operating Limit |
1 W/cm2 , CW 200 mJ/cm2 , 20 ns, visible 2 J/cm2 , 20 ns, 1064 nm |
Prolonged exposure to strong ultraviolet radiation may damage these polarizers.
ORDERING INFORMATION |
||||
Diameter |
Clear Aperture |
Thickness |
Wavelength Range |
Part Number |
1.00 (25.4 mm) |
0.40 (10.16 mm) |
0.25 (6.35 mm) |
Please specify |
PPM – 050 – λ |
1.00 (25.4 mm) |
0.70 (17.78 mm) |
0.35 (8.89 mm) |
Please specify |
PPM – 100 – λ |
Custom sizes are available. Please contact your Meadowlark Optics sales engineer for assistance.
Meadowlark Optics DOWNLOAD PRINCIPLES Dichroic Polarizers Meadowlark Optics offers an
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