Class 1 Laser Safety Raman Microscope Home / Products / Spectroscopy / Raman Microscopes / Class 1 Laser Safety Raman Microscope Overview Models Specifications 6 Cool Tools for Raman Applications KnowledgeBase Webinar Tips & Tricks Catalog Request a Quote Figure 1. The laser is blocked by the shutter when the door is open A built-in interlock control mechanism blocks the laser beam when the sample chamber door is opened.