Liquid Crystal Optical Switch LVS10-T3
JCOPTIX liquid-crystal optical switches combine high-quality 90° TN cells and two orthogonal thin-film linear polarizers in standard one-inch housings with connecting leads at both ends. External AC voltage changes molecular tilt within milliseconds. Without mechanical adjustment, they offer high contrast and fast response over 400-700 nm, 650-1100 nm, and 1050-1700 nm for switching optical paths and rapidly changing transmission. Liquid-crystal properties permit operation at 0-50℃. JCOPTIX offers standard switches for 400-700 nm, 650-1100 nm, and 1050-1700 nm and customization through technical support. Active liquid-crystal products require AC drive. DC is prohibited because accumulated charge damages devices. Recommended drive: frequency 1-2 kHz, amplitude 0-±25 V, duty cycle 50%, square wave. Voltage above 25 V may degrade or damage devices. Liquid-crystal optical switches. Models: LVS10-T2, LVS10-T3, LVS10-T4. Clear aperture: Ø10 mm. High transmission and switching contrast within the operating band. Switching voltages: 0 V and 25 V. Millisecond response. Bands: 400-700 nm, 650-1100 nm, 1050-1700 nm. JCOPTIX switches control transmission under external AC over 400-700 nm, 650-1100 nm, and 1050-1700 nm. LVS10-T2 opens in 7.27 ms and closes in 0.227 ms; LVS10-T3 opens in 30.81 ms and closes in 0.145 ms; LVS10-T4 opens in 47.2 ms and closes in 0.155 ms. All have Ø10 mm clear apertures and wired housings compatible with Ø1 inch optic holders. Polarizer transmission-axis markings simplify path adjustment and maximize light utilization.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength | 650-1100 nm |
| Antireflection Coating | 650-1100 nm |
| Response Time (Typ.) (Rise/Fall) [Rise/Fall; 780 nm, 25 ℃] | typical:30.81 ms/0.145 ms @ 780 nm, 25 ℃ |
| Transmittance (avg.) [Average Over Operating Wavelength Band] | >45% |
| Contrast (avg.) [Average Over Operating Wavelength Band] | >1500:1 |
| Reflection R_avg [Average Reflectance; 0° Angle of Incidence] | R_avg<0.5% (0° Angle of Incidence) |
| Operating Voltage [AC Square Wave; Recommended 1-2 kHz, 50% Duty Cycle; DC Drive Prohibited] | 0-25 V |
| Housing Dimensions | Ø25.4 × 8.4 mm, Compatible with Ø1-Inch Optical Element Mounts |
| Effective Clear Aperture | Ø10 mm |
| Surface Finish | 60/40 |
| Surface Flatness [Tested @633 nm, λ/4 Wavelength-Relative Specification] | λ/4 @ 633 nm |
| Element Material | Nematic Liquid Crystal / UV Fused Silica Glass |
| Operating Temperature | 0-50 ℃ |
Key Features
Datasheet
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