Abstract: The invention relates to a mobile remote detection device for accumulations of methane, comprising an emitter device having a light source in order to generate light, the wavelength of said light source being tuned with the spectral signature of methane, whereby the light can be directed onto a measuring field. The detection device also comprises a detector device for detecting backscattered light, and an evaluation device. The aim of the invention is to improve the remote detection device in such a manner that it has a high degree of measuring sensitivity with a compact and stable structure. According to the invention, the light source generates light with a wavelength at which methane is absorbed, wherein the wavelength lies between 3200 nm and 3300 nm, and the light source has an optical parametric oscillator with injection seeding, the oscillator being associated with a pump laser.

Abstract: To provide a pulsed gas-discharge laser system, in particular a pulsed excimer laser system, comprising a resonator and a gas volume filled with laser gas in which a gas discharge is ignitable, a microwave discharge structure surrounding the gas volume at least partially for maintaining the gas discharge, a microwave source for generating a microwave pulse and a microwave line leading from the microwave source to the microwave discharge structure, in which the laser pulse power behaves overproportionally to the pumping power, it is proposed that there be coupled to the microwave line by a coupling element a resonant microwave storage structure which leads to the gas volume and extends with at least a partial section thereof between the microwave discharge structure and the microwave line, and that the microwave storage structure be of such design and coupled to the microwave line by the coupling element in such a way that it stores the energy from the microwave pulse emitted by the microwave source until the