Laser physics is one of my favorite topics to teach in A Level Physics. A laser works by exciting electrons in atoms to higher energy levels. As they relax and de-excite, they emit photons, which causes lasing. #physics #science #laser | vt.physics
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Laser physics is one of my favorite topics to teach in A Level Physics. A laser works by exciting electrons in atoms to higher energy levels. As they relax and de-excite, they emit photons, which causes lasing. #physics #science #laser | vt.physics
55.1K views5 months ago
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Ultrafast Laser Physics
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Laser processing of dielectric materials with ultrashort pulses is often considered to be free of thermal damage. Yet, in practice a thin heat-affected layer is formed underneath the ablation crater. Researchers at the CSIC in Madrid have developed a method to observe the formation of this layer with time resolution. #APLEP http://tinyurl.com/zqk96xe | Applied Physics Letters
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Laser processing of dielectric materials with ultrashort pulses is often considered to be free of thermal damage. Yet, in practice a thin heat-affected layer is formed underneath the ablation crater. Researchers at the CSIC in Madrid have developed a method to observe the formation of this layer with time resolution. #APLEP http://tinyurl.com/zqk96xe | Applied Physics Letters
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FacebookApplied Physics Letters
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