ULTRASHORT MICROWAVE PULSE GENERATION BY PASSIVE PULSE COMPRESSION IN A COMPACT REVERBERANT CAVITY
نویسندگان
چکیده
منابع مشابه
Ultrashort pulse generation by molecular modulation
This PhD Tutorial describes a new source of coherent radiation, with a spectrum extending over many octaves of optical bandwidth. We demonstrate collinear generation of mutually coherent spectral sidebands, ranging in wavelength from 2.94 μm in the infrared to 195 nm in the ultraviolet. The pulse energies are above 1 mJ/10 ns pulse for each of the nine central sidebands. The essence of our tech...
متن کامل1.7MW Nd:YAG Laser Pulse Generation by A Passive BDN Q-switch
This paper describes the passive Qswitch, based on polymer and organic dye BDN, of a pulsed Nd:YAG laser. Pulses of 27ns duration and peak power of 1.7MW for initial transmission of Q-switch 18.4% 0 T = have been obtained. We have obtained Q-switching efficiency of 77% for train of pulses of 31 and 76.2% 0 T = at the pump energy of 98J. We have also obtained the dependency of laser pulse charac...
متن کاملUltrashort-pulse second-harmonic generation with longitudinally nonuniform quasi-phase- matching gratings: pulse compression and shaping
We present a theory of ultrashort-pulse second-harmonic generation (SHG) in materials with longitudinally nonuniform quasi-phase-matching (QPM) gratings. We derive an expression for the output second-harmonic field generated in an arbitrary QPM grating from an arbitrary fundamental field, valid for arbitrary material dispersion in the undepleted-pump approximation. In the case when group-veloci...
متن کاملPicosecond microwave pulse generation
Picosecond duration X-band microwave pulses have been generated using a laser-activated photoconductive switch. These pulses have been used to observe the microwave reflection from optically excited germanium. The reflection measurements indicate that the microwave pulse has a full width at half-maximum of 50 ps and is synchronized with picosecond precision to the laser pulse. A high-resolution...
متن کاملQuasiperiodic Raman technique for ultrashort pulse generation.
We report the experimental demonstration of a new Raman technique that produces 200 sidebands, ranging in wavelength from 3 microm to 195 nm. By studying multiphoton ionization of nitric oxide (NO) molecules, we show mutual phase coherence among 15 visible sidebands covering 0.63 octaves of bandwidth.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Progress In Electromagnetics Research
سال: 2015
ISSN: 1559-8985
DOI: 10.2528/pier15092406