Abstract
We report an optically addressed, liquid-crystal-based spatial light modulator demonstrating a resolution of 25 line pairsymm at 50% modulation transfer function and more than 40-line-pairymm limiting resolution by using a 25-μm-thick silicon Schottky diode-array photosubstrate. This resolution is obtained concurrent with a high photosensitivity of approximately 20 μW/cm2 and a contrast ratio of over 200:1. The high resolution and photosensitivity obtained with the thin photosubstrate are explained by a fringing field and an equivalent-circuit model, respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 5761-5764 |
| Number of pages | 4 |
| Journal | Applied Optics |
| Volume | 35 |
| Issue number | 29 |
| DOIs | |
| State | Published - 10 Oct 1996 |
| Externally published | Yes |
Keywords
- Field fringing
- Liquid-crystal switching voltage
- Photosensitivity
- Schottky diode photosubstrate
- Spatial light modulators
- Spatial resolution
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Engineering (miscellaneous)
- Electrical and Electronic Engineering
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