Optical performance of glass prism: case study of Rajinee Pier, Chao Phraya River, Bangkok

This design research project examines the optical performance of the glass prism. This research commenced by investigating experimental works using prism as a material to manipulate optical phenomena, light refraction and reflection. Although glass is a building material that offers transparency in architectural design, prism glass hardly ever became a common type of glass due to its unorthodox form. The research stems from earlier investigations and designs using prism materials, aiming to exploit their unique optical effects while making construction methods more affordable and practical. Bangkok Design Week 2024, “Through the Looking Prism” with dimension of 1.9 m × 1.8 m, demonstrates various effects produced through the prismatic wall made of 300 pieces of prism glass. The location of the installation is located at the viewing platform towards Chao Phraya River, where there is constant movement of water surface and boats, with uninterrupted view allowing sunlight to hit. The structure is designed to maximize the viewing experience of the observer. There were observed sunlight refractions at different times of the day, artificial light refraction at nighttime, prismatic light with a spectrum of light at certain times of the day and shifts from refraction to reflection at different angles.