LS30

Imaging & Analysis Facility Use The OAI LS 30 UV flood exposure system is a 350 W near-UV stand-alone light source system, which provides highly collimated and uniform beam of 6"" diameter. The divergence half-angles are less than 2.6 degrees. The light source's intensity is operator-adjustable over a wide range. It has two operating modes: Constant Intensity Mode and Constant Power Mode. Factory specifications: Uniform Beam Size 6.0"" diameter maximum Beam Divergence Less than 2.2o (half-angle) Beam Spectrum 350nm - 450nm Beam Uniformity Better than +/- 4% within 4"" area at 365 nm. Beam Intensity (350W) About 9-15 mW/cm2 (UV365nm spectrum) About 18-30 mW/cm2 (UV405nm spectrum) About 8-13 mW/cm2 (UV436nm spectrum) Output Power (350W Lamp House) 325W idle (Exposure: 300W - 385W) Intensity Control Dual Channel Optical feedback loop, +/- 2% intensity precision with long term repeatability NUV Control Sensors A=UV365nm, B=UV400nm System Alarms Audible Maximum Power Operation warning Laboratory for Integrated Science and Engineering © 2025 Harvard CNS. All rights reserved. Center for Nanoscale Systems *