The Franz-Keldysh effect, a fascinating optical phenomenon observed in semiconductors under electric fields, can be witnessed in natural settings under specific conditions. To design outdoor seating that accommodates this unique viewing experience, several key considerations must be addressed.

First, seating orientation should align with the sun's path to maximize exposure to polarized light, which enhances the effect. Adjustable reclining chairs or rotating platforms allow viewers to position themselves optimally. Second, materials matter: non-reflective, dark-colored surfaces minimize glare that could interfere with observation.

For group viewing, tiered seating arrangements ensure unobstructed sightlines. Incorporating shade structures with polarized filters can help control light intensity while preserving visibility of the effect. Nearby reflective water features or carefully positioned mirrors may amplify the phenomenon.

The most effective designs integrate scientific functionality with aesthetic appeal, using weather-resistant materials that blend into natural surroundings. Consider adding informational plaques explaining the effect to educate casual observers.

By combining ergonomic design with optical physics principles, outdoor spaces can transform into living laboratories where visitors comfortably witness this extraordinary interplay of light and matter. Such installations serve both educational and recreational purposes, bridging the gap between science and public spaces.