Liquid Crystal Operating Principles
Meadowlark Optics DOWNLOAD PRINCIPLES Liquid Crystal Variable Retarders are solid
High Contrast Optical Shutter
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$1,716.00 – $4,202.00
Key Features
- High contrast
- No mechanical motion
- Computer control capacity
- No vibration
Common Specifications
Liquid Crystal Configuration: Twisted nematic
Substrate Material: Optical quality synthetic fused silica
Polarizer Material: Dichroic polymer
Contrast Ratio (average): 1,000:1
Angular Field of View: 25˚ incidence angle with some reduction above 10˚
Switching Time (10% to 90%) at room temperature –
Closed to Open: 5 milliseconds, Open to Closed: 0.4 milliseconds
Transmitted Wavefront Distortion (P – V at 632.8 nm): ≤ λ/2
Surface Quality: 60 – 40 scratch-dig
Reflectance (per surface): ≤ 0.5 % at normal incidence
Beam Deviation: ≤ 5 arc min
Recommended Safe Operating Limit: 1 W/cm², CW
Glass Thickness: 0.48 – 0.52 in.
Polarization Direction: Vertical on input face, horizontal on output face
Storage Temperature: – 20 ˚C to + 80 ˚C
Operating Temperature: 0 ˚C to + 50 ˚C
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Item # | Size | Optimized Wavelength | Wavelength Range | Clear Aperture | Thickness | Lead Time | Price | Add to cart |
|---|---|---|---|---|---|---|---|---|
LCS-100-VIS | 1.000 in. (25.40 mm) | 632.8 | 405-700 | 0.370 in. (9.4 mm) | 1.415 in. (35.94 mm) | 2 weeks | $1,716.00 | |
LCS-100-IR1 | 1.000 in. (25.40 mm) | 785 | 650-950 | 0.370 in. (9.4 mm) | 1.415 in. (35.94 mm) | 2 weeks | $1,716.00 | |
LCS-100-IR2 | 1.000 in. (25.40 mm) | 1064 | 900-1250 | 0.370 in. (9.4 mm) | 1.415 in. (35.94 mm) | 2 weeks | $1,716.00 | |
LCS-100-IR3 | 1.000 in. (25.40 mm) | 1550 | 1200-1700 | 0.370 in. (9.4 mm) | 1.415 in. (35.94 mm) | 2 weeks | $1,716.00 | |
LCS-200-VIS | 2.000 in. (50.80 mm) | 632.8 | 405-700 | 0.700 in. (17.8 mm) | 1.125 in. (28.58 mm) | 2 weeks | $2,585.00 | |
LCS-200-IR1 | 2.000 in. (50.80 mm) | 785 | 650-950 | 0.700 in. (17.8 mm) | 1.125 in. (28.58 mm) | 2 weeks | $2,585.00 | |
LCS-200-IR2 | 2.000 in. (50.80 mm) | 1064 | 900-1250 | 0.700 in. (17.8 mm) | 1.125 in. (28.58 mm) | 2 weeks | $2,585.00 | |
LCS-200-IR3 | 2.000 in. (50.80 mm) | 1550 | 1200-1700 | 0.700 in. (17.8 mm) | 1.125 in. (28.58 mm) | 2 weeks | $2,585.00 | |
LCS-300-VIS | 3.000 in. (76.2 mm) | 632.8 | 405-700 | 1.600 in. (40.64 mm) | 1.710 in. (43.43 mm) | 2 weeks | $4,202.00 | |
LCS-300-IR1 | 3.000 in. (76.2 mm) | 785 | 650-950 | 1.600 in. (40.64 mm) | 1.710 in. (43.43 mm) | 2 weeks | $4,202.00 |
High Contrast Optical Shutter
See Details
SPECIFICATIONS | |
Liquid Crystal Configuration | Twisted nematic |
Substrate Material | Optical quality synthetic fused silica |
Polarizer Material | Dichroic polymer |
Wavelength Range | 450 – 700 nm |
Contrast Ratio (average) | 1,000:1 |
Angular Field of View | 25˚ incidence angle with some reduction above 10˚ |
Switching Time (10% to 90%) at room temperature | |
Closed to Open: Open to Closed: | 5 milliseconds 0.4 milliseconds |
Transmitted Wavefront Distortion (at 632.8 nm) | ≤ λ/2 |
Surface Quality | 60 – 40 scratch-dig |
Reflectance (per surface) | ≤ 0.5 % at normal incidence |
Beam Deviation | ≤ 5 arc min |
Recommended Safe Operating Limit | 1 W/cm², CW |
Glass Thickness | 0.48 – 0.52 in. |
Polarization Direction | Vertical on input face, horizontal on output face |
Storage Temperature | – 20 ˚C to + 80 ˚C |
Operating Temperature | 0 ˚C to + 50 ˚C |
Ordering Information – Contact Us or Buy Online
ORDERING INFORMATION | |||
Diameter in. (mm) | Clear Aperture in. (mm) | Thickness in. (mm) | Part Number |
1.00 (25.4 mm) | 0.37(9.4 mm) | 1.23 (31.24 mm) | LCS – 100 – λ |
2.00 (50.8 mm) | 0.70 (17.8 mm) | 0.75 (19.05 mm) | LCS – 200 – λ |
3.00 (76.2 mm) | 1.60 (40.64 mm) | 1.00 (25.4 mm) | LCS – 300 – λ |
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Graphs & Figures
Protected: The CHROMIS Polarimetric Modulator
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Protected: The CHROMIS Modulator Case Study
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The Power and Limitations of Polymers and Liquid Crystals for Polarization Control
The Power and Limitations of Polymers and Liquid Crystals for
