Resonator control for two-mode high pressure pulsed gas laser e.g. of TE carbon di:oxide type - converts optical output signal into electrical pulses, and evaluates them to adjust resonator length and to stabilise pulses via piezo-regulator
DE4118760A1
ECHELLE DOUBLE MONOCHROMATOR
DE4117072A1
Differential absorption appts. using light wave radar - contains laser light source with simultaneous stable radiation in two longitudinal modes and rapid tuning, and achieves heterodyne reception by mode superimposition
DE4113796A1
TE-carbon di:oxide laser gas mixt. - esp. contg. hydrogen for increased peak power extn. and gain switch pulse prodn. efficiency
DE4112456A1
Discharge arrangement for high pressure pulsed gas laser - incorporates larger storage capacitors and smaller peaking capacitors for decoupling of spark gaps in pre-ionisation regions
DE4111554A1
Radiation resistant optical reflection element for laser scanning - comprises enamel base with cooling system on metallic mirror with similar expansion coefft. for high stability, and thermoconductivity
DE4109595A1
New octa:alkylaryl:tetra-pyrazino porphyrazine derivs. - useful in laser therapy for treatment of tumours
DE4104785A1
METHOD FOR DETECTING GASEOUS SUBSTANCES
DE4101780A1
Instrument for examining patient's eyes - is worn on optician's forehead and can be adjusted to suit presbyopic opticians
DD248001A1
Jitter-free synchronous pumped laser
DD299016A7
Arrangement for holographic manufacture illuminated corrigated grid with amplitude
