D.C. Excitation of high pressure gas lasers

Deep red laser

Device for cooling a laser head

Device for optical pumping solid state lasers

Diffraction grating coupled optically pumped laser

Diffused waveguiding capillary tube with distributed feedback fo

Diode laser with ring reflector

Direct nuclear pumped laser

Direct solar pumped laser

Discharge lamp stabilization system

Distributed feedback devices with perturbations deviating from u

Distributed feedback diode laser

Distributed feedback filter and laser

Double heterostructure laser for direct coupling to an optical f

Double heterostructure lasers having reduced microstress

Double heterostructure semiconductor laser

Double heterostructure stripe geometry semiconductor laser devic

Double heterostructure stripe geometry semiconductor laser devic

Double-confined multiple anode hollow cathode laser

Dual beam double cavity heterostructure laser with branching out