Tianjin University

University of Limerick

Nankai University

Tianjin Optera Laser Technology Co., Ltd.

Wei Shi

Peng Cheng

Michael Zaworotko

Shi-Yuan Zhang

Cheng-Xiong Yang

Xiu-Ping Yan

Zhenhua Yu

Xinzheng Dong

Hao Tian

Chaodu Shi

Quan Sheng

Jianquan Yao

Michael J Zaworotko

The present invention discloses a high-peak-power single-frequency narrow-linewidth nanosecond fiber laser based on a triangular pulse, wherein the laser includes: pulsed laser generated by the laser seed injecting into a first power pre-amplifier through a first isolator, and then injecting into a second pre-amplifier and then injecting into a power amplifier; wherein triangle-shaped pulsed laser with fast rising edge is obtained by using electro-optic and acousto-optic modulator to modulate continuous wave single-frequency laser or a single-frequency semiconductor laser directly modulated by radio frequency signal; single-frequency triangle-shaped pulsed laser is employed as the laser source according to the characteristics of narrow intrinsic linewidth and suppression of linewidth broadening caused by SPM, and the power of pulsed laser is amplified through the MOPA system.

High-peak-power single-frequency narrow-linewidth nanosecond fiber laser based on a triangular pulse

A porous chiral material of formula [M(L)(A)]Xwherein M is a metal ion; L is a nitrogen-containing bidentate ligand; A is the anion of mandelic acid or a related acid; and Xis an anion.

Porous chiral materials and uses thereof

The present invention provides a low-loss high-repetition-rate pulsed laser modulator comprising: a 2*2, 1:1 coupler; a light delay module; a 1*2, 1:1 coupler. The present invention can modulate a low-repetition-rate pulsed laser to be a high-repetition-rate pulsed laser. The basic principle is: one beam of low-repetition-rate pulsed laser can be divided into two beams with the same light intensity by a 1*2, 1:1 coupler; control the two beams of light to have an optical path difference so that when they are coupled into a 2*2, 1:1 coupler, a double pulse repetition rate can be obtained; In the same way, when the two beams of light from former 2*2, 1:1 coupler, with another different optical path difference are coupled into the next 2*2, 1:1 coupler, a double pulse repetition rate can be obtained again; when we obtain the repetition rate we need, a 1*2, 1:1 coupler instead is connected to couple the two beams of light into one beam with a double repetition rate.

Low-loss high-repetition-rate pulsed laser modulator

Growing community of inventors

Tianjin, China

Wei Shi