Optoelectronic Test System for Active Liquid Crystal Devices SCVR1-C
SCVR systems measure liquid-crystal-retarder voltage-retardance (V-R) curves, including aligned optics and software. Standard equipment includes a 638 nm, 10 mW laser and adjustable 0-±25 V square-wave controller for visible-band measurements. JCOPTIX offers versions 1.0 and 2.0. Version 1.0 automatically measures/plots normal-incidence V-R curves. Version 2.0 adds a high-precision DORR-360HK direct-drive rotation stage to 1.0, with continuous 360° sample rotation for different angles of incidence (AOI), serving liquid-crystal experiments/testing. V-R system 1.0. Models: SCVR1, SCVR1-C. Software: Active Liquid Crystal VR Curve Test System 1.0. Automatic normal-incidence curves. Laser: 638 nm. Voltage: 0-±25 V square wave. JCOPTIX 1.0 measures retarder V-R curves at normal incidence with aligned optics/software. Optics include source, polarizing prism, voltage controller, power meter, and sample holder on a TB-3060 breadboard under an acrylic light enclosure, giving compactness and stability. Software controls voltage/power measurement, records data, and plots curves automatically. Open architecture permits path modification/replacement, with JCOPTIX customization. V-R system 2.0. Models: SCVR2, SCVR2-C. DORR-360HK precision direct-drive stage kit. Software: Active Liquid Crystal VR Curve Test System 2.0. Automatic curves at arbitrary AOI. Laser: 638 nm. Voltage: 0-±25 V square wave. JCOPTIX 2.0 measures retarder V-R curves at arbitrary incidence with aligned optics/software. Source, polarizing prism, voltage controller, power meter, sample holder, and DORR-360HK stage sit on a TB-3060 breadboard inside acrylic shielding for compact stability. Software controls rotation angle, voltage, and power measurement, recording data/plots automatically at any AOI. Open architecture supports modification/replacement and customization.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Laser Wavelength | 638 nm |
| Laser Power | 10 mW |
| Voltage Controller | LVC-AC25 |
| Voltage Control Range | 0-±25 V, Square Wave |
| Voltage Signal Frequency | 0.5-10 kHz |
| Polarizing Prism | GT10 |
| Optical Power Meter | Thorlabs S120C +; Thorlabs PM101U |
| type | text |
| Control Computer | 1 |
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