High-repetition-rate interferometric Rayleigh scattering for flow-velocity measurements [0.03%]
用于流速测量的高重复率干涉瑞利散射技术
Jordi Estevadeordal,Naibo Jiang,Andrew Cutler et al.
Jordi Estevadeordal et al.
High-repetition-rate interferometric-Rayleigh-scattering (IRS) velocimetry is implemented and demonstrated for non-intrusive, high-speed flow-velocity measurements. High temporal resolution is obtained with a quasi-continuous burst-mode las...
Multi-mode absorption spectroscopy using a quantum cascade laser for simultaneous detection of NO and H2O [0.03%]
基于量子级联激光器的多模式吸收光谱同时检测NO和H2O
S O&#x;Hagan,T Pinto,P Ewart et al.
S O&#x;Hagan et al.
Detection of multiple transitions in NO and H2O using multi-mode absorption spectroscopy, MUMAS, with a quantum cascade laser, QCL, operating at 5.3 μm at scan rates up to 10 kHz is reported. The linewidth of longitudinal modes of the QCL ...
Multi-species sensing using multi-mode absorption spectroscopy with mid-infrared interband cascade lasers [0.03%]
基于中红外 intersubband 激光器的多模吸收光谱的多组分探测研究
S O&#x;Hagan,J H Northern,B Gras et al.
S O&#x;Hagan et al.
The application of an interband cascade laser, ICL, to multi-mode absorption spectroscopy, MUMAS, in the mid-infrared region is reported. Measurements of individual mode linewidths of the ICL, derived from the pressure dependence of linesha...
Design and fabrication of diffractive atom chips for laser cooling and trapping [0.03%]
用于激光冷却与俘获的衍射原子芯片的设计与制作
J P Cotter,J P McGilligan,P F Griffin et al.
J P Cotter et al.
It has recently been shown that optical reflection gratings fabricated directly into an atom chip provide a simple and effective way to trap and cool substantial clouds of atoms (Nshii et al. in Nat Nanotechnol 8:321-324, 2013; McGilligan e...
Competition of single and double rescattering in the strong-field photoemission from dielectric nanospheres [0.03%]
强场中光从介电纳米球光电发射的单程和双程散射竞争
L Seiffert,F Süßmann,S Zherebtsov et al.
L Seiffert et al.
Nanostructures exposed to ultrashort waveform-controlled laser pulses enable the generation of enhanced and highly localized near fields with adjustable local electric field evolution. Here, we study dielectric SiO2 nanospheres (d = 100-700...
Extraction of enhanced, ultrashort laser pulses from a passive 10-MHz stack-and-dump cavity [0.03%]
一种从被动锁模10MHz重复频率堆叠和转存腔中提取增强型超短激光脉冲的方法
Sven Breitkopf,Stefano Wunderlich,Tino Eidam et al.
Sven Breitkopf et al.
Periodic dumping of ultrashort laser pulses from a passive multi-MHz repetition-rate enhancement cavity is a promising route towards multi-kHz repetition-rate pulses with Joule-level energies at an unparalleled average power. Here, we demon...
Precision measurements and test of molecular theory in highly excited vibrational states of H2 (v = 11) [0.03%]
H₂(v=11)高振动态的精密测量及分子理论检验
T Madhu Trivikram,M L Niu,P Wcisło et al.
T Madhu Trivikram et al.
Accurate E F 1 Σ g + - X 1 Σ g + transition energies in molecular hydrogen were determined for transitions originating from levels with highly excited vibrational quantum number, v = 11, in the ground electronic state. Doppler-f...
Efficient high-harmonic generation from a stable and compact ultrafast Yb-fiber laser producing 100 μJ, 350 fs pulses based on bendable photonic crystal fiber [0.03%]
基于可弯曲光子晶体光纤的皮秒级镱纤维激光器高效高次谐波产生
James S Feehan,Jonathan H V Price,Thomas J Butcher et al.
James S Feehan et al.
The development of an Yb3+-fiber-based chirped-pulse amplification system and the performance in the generation of extreme ultraviolet (EUV) radiation by high-harmonic generation is reported. The fiber laser produced 100 μJ, 350 fs output ...
Shifting the phase of a coherent beam with a [Formula: see text] ion: influence of the scattering cross section [0.03%]
用[公式见正文中图]离子改变相干光束的相位的影响及散射截面的作用
Martin Fischer,Bharath Srivathsan,Lucas Alber et al.
Martin Fischer et al.
We discuss and measure the phase shift imposed onto a radially polarized light beam when focusing it onto an 174 Yb + ion. In the derivation of the expected phase shifts, we include the properties of the involved atomic levels. Furtherm...
Nikolai Lilienfein,Simon Holzberger,Ioachim Pupeza
Nikolai Lilienfein
State-of-the-art optical switches for coupling pulses into and/or out of resonators are based on either the electro-optic or the acousto-optic effect in transmissive elements. In high-power applications, the damage threshold and other nonli...