Project supported by the National Basic Research Program of China(Grant No.2012CB921603);the Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China(Grant No.IRT13076);the Major Research Plan of the National Natural Science Foundation of China(Grant No.91436108);the National Natural Science Foundation of China(Grant Nos.61378014,61308023,61378015,and 11434007);the Fund for Fostering Talents in Basic Science of the National Natural Science Foundation of China(Grant No.J1103210);the New Teacher Fund of the Ministry of Education of China(Grant No.20131401120012);the Natural Science Foundation for Young Scientists of Shanxi Province,China(Grant No.2013021005-1)
We report a robust method of directly stabilizing a grating feedback diode laser to an arbitrary frequency in a large range. The error signal, induced from the difference between the frequency measured by a wavelength...
This work was supported by the National Basic Research Program of China (No.2013BAK12B00 and No.2013CB834602) and the National Natural Science Foundation of China (No.21225314 and No.21427804).
Moisture measurement is of great needs in semiconductor industry, combustion diagnosis, meteorology, and atmospheric studies. We present an optical hygrometer based on cavity ring-down spectroscopy (CRDS). By using ...
The frequencies of two 698 nm external cavity diode lasers (ECDLs) are locked separately to two independently located ultrahigh finesse optical resonant cavities with the Pound Drever-Hall technique. The linewidth o...
financially supported by the Ministry of Science and Technology of China(No.2009DFB50350);the National Natural Science Foundation of China(No.50971091)
The microhardness distribution of the diode laser epitaxially deposited IN718 alloy coating was investigated. The Laves concentration in different regions of the coating was measured by binarization processing. The st...
Supported by the National Basic Research Program of China under Grant No 2012CB921602;the National Natural Science Foundation of China under Grant Nos 10874012 and 10974177;the Program of International Science and Technology Cooperation of China under Grant No 2010DFA04690.
A novel setup of saturated absorption spectroscopy (SAS) is presented.It is based on laser reflections at surfaces of a sample vapor cell.It only needs one cell and one photodiode and is more compact than conventional...
Supported by the National Natural Science Foundation of China under Grant No 61078005;the National Basic Research Program of China(2007CB613205).
A simultaneous self-Q-switched and mode-locked laser in a direct 885nm diode-pumped Cr,Nd:YAG crystal is demonstrated.An improvement of the slope efficiency (38.1%) in the absorbed pump power is obtained under direct ...
by the National Basic Research Program of China under Grant Nos 2010CB922902 and 2005CB724501;the National Key Technology R&D Program in the 11th Five-Year Plan of China under Grant No 2006BAK03A20。
We demonstrate a self-injection locking extended cavity diode laser(ECDL)using resonant optical feedback from the p-polarization of a monolithic folded Fabry–Perot parallel cavity(MFC).The full width at half maximum ...
supported by the Ministry of Science and Technology of China (No. 2005CB724500);the National Natural Science Foundation of China (No. 10874009)
We present a 657-nm external cavity diode laser (ECDL) system, where the output frequency is stabilized by a narrow-band high transmission interference filter. This novel diode laser system emits laser with an insta...
We report stable narrow linewidth laser systems based on self-developed Littman configuration external cavity diode lasers (ECDLs). The frequency of the ECDL is stabilized to a high fineness ultralow-expansion glass...
Supported by the National Basic Research Program of China under Grant No 2006CB921403, the National Natural Science Foundation of China under Grant No 10804097, and the Open Fund of the State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics.
A simple method to realize both stabilization and shift of the frequency in an external cavity diode laser (ECDL) is reported. Due to the Zeeman effect, the saturated absorption spectrum of Rb atoms in a magnetic fi...