An organic laser cavity device, that includes: a first dielectric stack for receiving and transmitting pumped beam light and being reflective to laser light over a predetermined range of wavelengths and having a substantially low threshold for optical excitation; an organic active region for receiving the transmitted pumped beam light and laser light from the first dielectric stack, and emits the laser light; a second dielectric stack for reflecting the transmitted pumped beam light and the laser light from the organic active region back into the organic active region, wherein a combination of the first and second dielectric stacks and the organic active region outputs the laser light; and an external self-contained photon source of the pumped beam light cooperating with the organic laser cavity for optical excitation at the substantially low threshold.

 
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< External cavity laser having a set atmosphere

> Bessel free electron laser device

> Tunable laser with a fixed and stable wavelength grid especially useful for WDM in fiber optic communication systems

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