Results 31 to 40 of about 5,228,844 (338)

Efficient multiphoton microscopy with picosecond pulse trains [PDF]

EPJ Web of Conferences
We present an all-fiber, portable setup for multiphoton microscopy with reduced frep employing a high-energy Yb:fiber NALM laser producing 10 ps pulses.
Kunio Katarzyna, Bogusławski Jakub, Soboń Grzegorz   +2 more
doaj   +1 more source

Switchable photothermal conversion efficiency for reprogrammable actuation

npj Flexible Electronics, 2023
Reprogrammable soft matter brings flexibility to soft robots so that they can display various motions, which is flourishing in soft robotics. However, the reprogramming of photoresponsive materials used in soft robots is time-consuming using existing ...
Yongcheng He, Haojun Liu, Jiajia Luo, Nuo Li, Lihua Li, Puxian Xiong, Jiulin Gan, Zhongmin Yang   +7 more
doaj   +1 more source

Investigation of cut quality in fiber laser cutting of CFRP

Optics and Laser Technology, 2019
Fiber laser cutting of CFRP sheets was investigated using a 2 kW multi-mode fiber laser, focusing on how the cut quality factors, such as kerf width, kerf depth, matrix evaporation width, matrix recession width, kerf taper angle, matrix damage zone, and ...
Sehyeok Oh, Inyong Lee, Young-Bin Park, H. Ki   +3 more
semanticscholar   +1 more source

Electro-optically Q-switched Er:YAG laser in-band pumped by an Er,Yb fiber laser

, 2006
Electro-optically Q-switched operation of an Er:YAG laser at 1645nm end-pumped by a cladding-pumped Er-Yb fiber laser is reported.
Clarkson, W.A., D. Y. Shen, J. K. Sahu, W. A. Clarkson, Shen, D.Y., Sahu, Jayanta   +5 more
core   +2 more sources

230 mW of blue light from a thulium-doped upconversion fiber laser [PDF]

, 1997
We demonstrate a powerful diode-pumped blue laser source, consisting of a 7W diode at 807nm that pumps a Nd:YAG laser giving 1.6W with good beam quality at 1123nm, and a thulium-doped upconversion fiber laser.
Tropper, A.C., Hanna, D.C., Moore, N., Clarkson, W.A., Maze, G., Paschotta, R.   +5 more
core   +1 more source

Interferometric distributed sensing system with phase optical time-domain reflectometry

Photonic Sensors, 2016
We demonstrate a distributed optical fiber sensing system based on the Michelson interferometer of the phase sensitive optical time domain reflectometer (φ-OTDR) for acoustic measurement. Phase, amplitude, frequency response, and location information can
Chen Wang, Ying Shang, Xiaohui Liu, Chang Wang, Hongzhong Wang, Gangding Peng   +5 more
doaj   +1 more source

Experimental study on the 500-W-level all-fiber amplifier operating near 980 nm

Results in Physics, 2021
In this paper, a 500-W-level all-fiber amplifier operating near 980 nm is demonstrated firstly, to the best of our knowledge. The amplifier is fabricated with a 105/250-μm core/cladding-diameter double-cladding Yb-doped fiber (DCYF).
Maoni Chen, Jianqiu Cao, Aimin Liu, Zhihe Huang, Zhiyong Pan, Zilun Chen, Jinbao Chen   +6 more
doaj   +1 more source

Fiber Raman Amplifiers and Fiber Raman Lasers [PDF]

Micromachines, 2020
Stimulated Raman scattering (SRS) is a nonlinear optical effect, observed for the first time in 1962, which lies at the heart of fiber Raman amplifiers and fiber Raman lasers [...]
openaire   +4 more sources

Optical fiber sensing based on reflection laser spectroscopy [PDF]

, 2010
An overview on high-resolution and fast interrogation of optical-fiber sensors relying on laser reflection spectroscopy is given. Fiber Bragg-gratings (FBGs) and FBG resonators built in fibers of different types are used for strain, temperature and ...
De Natale, Paolo, Ralph P. Tatam, Chow, Jong H., Jong H. Chow, Mario Salza, Ballard, Nicholas, Gangopadhyay, Tarun, Paz-Soldan, Daniel, Tatam, Ralph, Ferarro, Pietro, Lam, Timothy T. -Y., Lam, Timothy T-Y, Gianluca Gagliardi, Barnes, Jack A., Daniel Paz-Soldan, Gangopadhyay, Tarun Kumar, Tatam, Ralph P., Chow, Jong, Pietro Ferraro, Tarun K. Gangopadhyay, Jack A. Barnes, Loock, Hans-Peter, Edmond Chehura, Paolo De Natale, Gangopadhyay, Tarun K., Salza, Mario, Ferraro, Pietro, Hans-Peter Loock, Nicholas Ballard, Barnes, Jack, Chehura, Edmon, Gagliardi, Gianluca, Timothy T.-Y. Lam, Lam, Timothy, Chehura, Edmond   +34 more
core   +1 more source

High power cladding-pumped Raman fiber laser with true single-mode output at 1660 nm

, 2006
We report a 10 W continuous-wave cladding-pump Raman fiber laser with single-mode output at 1660 nm pumped by a high-power Er:Yb fiber amplifier. The laser threshold was 6.5 W and its slope efficiency was 67%
Jeong, Y., Nilsson, J., Codemard, C.A., Dupriez, P., Ibsen, M., Sahu, J.K.   +5 more
core   +2 more sources