Uploaded December 2024 | Updated September 2026, 2 weeks ago
About 4% of light reflects right off of glass if it doesn't have an anti-reflective coating on it. That's why those coatings are super important for eliminating unwanted reflections off of lenses! If you're using a high-power laser, 4% of light bouncing where it isn't supposed to and potentially focusing to a point can be really dangerous #optics #stem #science #physics #photonics #laser #shorts
About 4% of light reflects right off of glass if it doesn't have an anti-reflective coating on it. That's why those coatings are super important for eliminating unwanted reflections off of lenses! If you're using a high-power laser, 4% of light bouncing where it isn't supposed to and potentially focusing to a point can be really dangerous #optics #stem #science #physics #photonics #laser #shorts










