HeNe laser emits light of a wavelength 632.8 nm and has an output power of 2.3 MW. How many photons are emitted each minute by this laser when operated? - Quora
Simultaneous cw laser emission including a Raman line of a He–Ne laser at six wavelengths in the visible range
![SOLVED:(II) A parallel beam of light from a He-Ne laser, with a wavelength 633 nm, falls on two very narrow slits 0.068mm apart. How far apart are the fringes in the center SOLVED:(II) A parallel beam of light from a He-Ne laser, with a wavelength 633 nm, falls on two very narrow slits 0.068mm apart. How far apart are the fringes in the center](https://cdn.numerade.com/previews/ca608811-06e2-45cb-88ac-014ee55f7974_large.jpg)