![Spontaneous emission, explained by RP Photonics Encyclopedia; quantum effect, vacuum fluctuations, laser, gain medium Spontaneous emission, explained by RP Photonics Encyclopedia; quantum effect, vacuum fluctuations, laser, gain medium](https://www.rp-photonics.com/previews/spontaneous_emission.png)
Spontaneous emission, explained by RP Photonics Encyclopedia; quantum effect, vacuum fluctuations, laser, gain medium
![9783540045977: Laser: Verstärkung durch induzierte Emission. Sender optischer Strahlung hoher Kohärenz und Leistungsdichte (German Edition) - AbeBooks: 354004597X 9783540045977: Laser: Verstärkung durch induzierte Emission. Sender optischer Strahlung hoher Kohärenz und Leistungsdichte (German Edition) - AbeBooks: 354004597X](https://pictures.abebooks.com/isbn/9783540045977-us.jpg)
9783540045977: Laser: Verstärkung durch induzierte Emission. Sender optischer Strahlung hoher Kohärenz und Leistungsdichte (German Edition) - AbeBooks: 354004597X
![a) NF of laser emission during a pulse where COD occurs for first time... | Download Scientific Diagram a) NF of laser emission during a pulse where COD occurs for first time... | Download Scientific Diagram](https://www.researchgate.net/profile/Jens-Tomm/publication/233732779/figure/fig1/AS:300105497366543@1448562134724/a-NF-of-laser-emission-during-a-pulse-where-COD-occurs-for-first-time-10-A-The_Q640.jpg)