Paper 13350-41
Paper 13350-41
Controlling 6 beam interference pattern shape of variable wavelength laser using Spatial Light Modulator
28 January 2025 • 6:00 PM - 8:00 PM PST | Moscone West, Room 2003 (Level 2)
Abstract
In this study, we controlled the phase difference between six interfering beams using a SLM (Spatial Light Modulator) to manipulate interference patterns by a PC. The interference patterns were generated using an OPO (Optical Parametric Oscillator) at wavelengths ranging from 405 nm to 709.99 nm. When a phase difference in π/4 steps from 0 to 7π/4 was applied to one of the beams, the resulting patterns showed dots collapsing as the phase approached π, matching simulation results. Our findings confirm the effectiveness of using an SLM for interference pattern control, successfully establishing a system to control interference patterns of variable wavelength lasers.
Presenter
Tomoya Hosokawa
Osaka Univ. (Japan)
Tomoya Hosokawa is a first-year master's student in Electrical Engineering at Osaka University. He is researching 6 beams interference pattern control using a broad-band SLM (Spatial Light Modulator). He completed a Bachelor’s degree in Electrical Engineering at Osaka University. He is passionate about processing using high-power interference pattern, and hopes to clarification of processed and fabricated products.