A true diode laser alternative to time honored HeNe gas laser tubes is now available from PD-LD: the SLM-632.8 single longitudinal module. The SLM-632.8 laser module beam quality and coherence length ...
Helium-neon lasers may be little more than glorified neon signs, but there’s just something about that glowing glass tube that makes the whole process of stimulated emission easier to understand. But ...