supported by the Strategic Talented Project Specialized Foundation of the General Armament Ministry(No.ZZ[2013]714)
We prepare a new type of multi-wavelength infrared laser diode with four chips,three wavelengths(865 nm,905 nm and 1064 nm) and two working modes(pulse and single).The preparation technology of the diode includes two ...
A new collimation system,the heteroaxial double half-elliptical cylinder lens(HDHECL),is proposed based on the raytracing method,and the collimation performance of the HDHECL is discussed and compared with conventiona...
supported by the Knowledge Innovation Program of the Chinese Academy of Science (No. AA 20090024)
To improve the frequency stabilization of laser diode in the laser frequency scanned interferometric metrology, a modified method is proposed by using a fiber ring resonator. The theoretical analysis of this modified ...
Because it is complex and inconvenient to use the common temperature field calculating method and experiment method, for arialyzing heat transfer properties of laser diode module (LDM), an equivalent electrical netw...
Ultra-precision machining is an effective approach to achieve high dimension accuracy and surface finish required in optical and laser components. An extensive study using a two-axis diamond turning machine is conduct...
This work was supported by special foundations for major state basic research project of China(G20000683-02)
A novel large optical cavity laser diode,which consists of multi-active regions cascaded together through tunnel junctions,is proposed.After growing the epi-layers with LP-MOCVD system on GaAs substrate,the ridge wave...
An equivalent electrical network method is presented in this paper to analyze the cooling characteristics of a laser diode module (LDM).And a modified equivalent model of a thermoelectric cooler (TEC) with an adjuncti...
Supported by the National Natural Science Foundation of China(Grant No.F600077007);Youth Science Foundation of Hei-longjiang University(Grant No.QL200410)
In this paper,the low and the high frequency noises of a laser diode have been analyzed. Based on the analysis a novel scheme that adapts analog and digital hybrid techniques is proposed to stabilize the output power ...