Zobrazeno 1 - 10
of 25 711
pro vyhledávání: '"Laser diode"'
Autor:
Eduard Kuhn
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-8 (2024)
In this publication a new approach to simulate the mode dynamics in broad-ridge laser diode is presented. These devices exhibit rich lateral mode dynamics in addition to longitudinal mode dynamics observed in narrow-ridge laser diodes. The mode dynam
Externí odkaz:
https://doaj.org/article/e6bc7d1d4c3e4c1a8085057df196e14d
Autor:
I. Hasan Sulieman, M. Sayem El-daher
Publikováno v:
Syrian Journal for Science and Innovation, Vol 2, Iss 2 (2024)
Thermal effects formed in a solid-state laser crystal, which cause the appearance of thermal lensing، mechanical stress and birefringence, lead to laser beam distortion and shorten the lifetime of laser crystal، and hinder getting a high-quality la
Externí odkaz:
https://doaj.org/article/62397b554eae42e1a364c720e2708e67
Autor:
Yuelong Ma, Xingcan Li, Lan Wu, Chenyang Shao, Boqiang Zhang, Tao Pang, Lili Lu, Hui Qiu, Ye Tian, Guilu Wang, Yanbo Hui, Qianwen Guo, Daqin Chen
Publikováno v:
Journal of Advanced Ceramics, Vol 13, Iss 3, Pp 354-363 (2024)
Near-infrared (NIR) phosphor-converted light-emitting diodes/laser diodes (LEDs/LDs) are prospective lighting sources for NIR spectroscopy. However, developing NIR phosphor materials with desired thermal robustness and high photoelectric efficiency i
Externí odkaz:
https://doaj.org/article/b06d6ce2bd56405fba481604f5407b52
Autor:
Fuyi Cao, Dongxin Jiang, Yuejun Liu, Yunpeng Tian, Xu Ran, Yisu Long, Takashi Ito, Xiaobo Hu, Guoen Weng, Hidefumi Akiyama, Shaoqiang Chen
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 1, Pp 1-8 (2024)
High precision time-of-flight based light detection and ranging (LiDAR) system needs compact ultrafast pulsed lasers, such as gain-switched semiconductor laser diodes, which have the advantages of low cost, small size, and mass-producible, for short
Externí odkaz:
https://doaj.org/article/58863d272c6c46e3a09aab03105141d3
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
We present a high-efficiency continuous-wave Ho: LSO laser wing-pumped by a 1.91 μm laser diode. The impact of different output transmittances on the laser output power is compared and analyzed. The optimal result was achieved with a −500-mm radiu
Externí odkaz:
https://doaj.org/article/781f6c1029184cb38fb8101831305099
Publikováno v:
Circuit World, 2022, Vol. 49, Issue 4, pp. 424-430.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/CW-08-2020-0193
Publikováno v:
Photonics, Vol 11, Iss 8, p 759 (2024)
We experimentally demonstrate a scheme for generating massively parallel and real-time physical random bits (PRBs) by using weak-resonant-cavity Fabry-Perot laser diodes (WRC-FPLDs) with optical feedback. By using external optical feedback to modify
Externí odkaz:
https://doaj.org/article/1d2ebbcf049245129a647f2cee8376ce
Publikováno v:
Micromachines, Vol 15, Iss 8, p 968 (2024)
The high-power laser diode (HPLD) has witnessed increasing application in space, as the aerospace industry is developing rapidly. To cope with the space environment, optimizing the heat-dissipation structure and improving the heat-dissipation ability
Externí odkaz:
https://doaj.org/article/eda822c4786849dbb6c2a5048b35e600
Publikováno v:
IEEE Access, Vol 11, Pp 66777-66792 (2023)
This article deals with frequency PWM (pulse-width modulation) control methodology and experiments related to a deep characterization of InGaN (Indium gallium nitride) EELs (Edge Emitting Lasers) and the influence of drive current shape on power and
Externí odkaz:
https://doaj.org/article/9fbe4c418d5848a4a3d3f298aade36d6
Autor:
Hayri Yigit, Ali Rifat Boynuegri
Publikováno v:
IEEE Access, Vol 11, Pp 54544-54555 (2023)
Laser power transfer (LPT) is one of the leading technologies in long-distance power transmission with its advantages such as enabling high power transmission and suitability for mobile applications. The transmitter part, which includes the laser dio
Externí odkaz:
https://doaj.org/article/f48ec1f529ae44d7855eb778866755cd