Laser wavelength stabilization

Laser with a high frequency rate of modulation

Laser with distributed reflector

Laser with travelling wave excitation

Lasers

Lasers

Lasers and photocoagulators

Lasing device and method using mercury and cadmium or ammonia

Lateral current confinement in junction lasers

Lateral mode control in semiconductor lasers

Leaky wave diode laser

Length controlled stabilized mode-lock Nd:YAG laser

Lens free of back focal points for use with high power light bea

Light self-injecting semiconductor laser device

Lightning rod mirror protection

Linear combustor for gas dynamic laser

Linearly polarizing internal mirror type gas laser tube

Low deactivation chemical laser

Low helium permeability atomic frequency standard cell and metho

Luminosity control system employing semiconductor lasers