True zero-order retarders are used in the assembly of our Dichroic Circular Polarizers and tight retardance tolerances contribute to the final performance.
Read More...Specifications - Dichroic Circular Polarizer | |
Standard Wavelengths | 532, 632.8, 670, 780, 850, 1064, and 1550 nm |
Substrate Material | N-BK7 |
Polarizer Material | Dichroic Polymer |
Retarder Material | Birefringent Polymer |
Transmitted Wavefront Distortion (P-V @ 632.8 nm) | |
Visible Near Infrared |
≤ λ/5 ≤ λ/2 |
Beam Deviation | |
Visible Near Infrared |
≤ 1 arc-min ≤ 2 arc-min |
Surface Quality (scratch-dig) | 40-20 |
Reflectance (per surface) | ≤ 0.5% |
Isolation | >99.8% |
Storage Temperature | -20˚C to +50˚C |
Operating Temperature | -20˚C to +50˚C |
Laser Damage Threshold | 1 W/cm2, CW |
Prolonged exposure to strong ultraviolet radiation may damage these polarizers. |
Ordering Information - Dichroic Circular Polarizer | |||
Mounted | |||
Clear Aperture in. [mm] |
Thickness in. [mm] |
Diameter ± 0.005 in. [± 0.13 mm] |
Part Number |
0.40 [10.2] |
0.25 [6.35] |
Ø1.00 [Ø25.4] |
CPM-050-λ |
0.70 [17.8] |
0.35 [8.9] |
Ø1.00 [Ø25.4] |
CPM-100-λ |
1.20 [30.5] |
0.50 [12.7] |
Ø2.00 [Ø50.8] |
CPM-200-λ |
Unmounted | |||
Clear Aperture in. [mm] |
Thickness in. [mm] |
Diameter +0/-0.010 in. [+0/-0.25 mm] |
Part Number |
0.40 [10.2] |
0.13 [3.3] |
Ø0.50 [Ø12.7] |
CP-050-λ |
0.80 [20.3] |
0.26 [6.6] |
Ø1.00 [Ø25.4] |
CP-100-λ |
Meadowlark Optics standard Dichroic Circular Polarizers provide left-hand circular output. Please call to request a quote for right-hand output. Append a "-RH" to your part number for right hand circular output. |