Results 271 to 280 of about 1,856,713 (355)

A Prospective Study of Fractionated Dual‐Wavelength Picosecond Laser in Treating Acne Scar

Lasers in Surgery and Medicine, 2020
The picosecond (PICO) laser has been a new and promising device. But, so far, there have not been many prospective studies investigating the efficacy in acne scar treatment.
Ching-Sheng Yang, Yau-Li Huang, Chun-Yu Cheng, Sindy Hu, Shyue-luen Chang, Mei-Ching Lee   +5 more
semanticscholar   +1 more source

Picosecond laser pulses

Proceedings of the IEEE, 1969
The broad bandwidth and long storage lifetimes of Nd3+: glass and ruby lasers have made possible the generation of picosecond laser pulses having peak powers it excess of one gigawatt and repetition rates in the microwave range. The numerous application areas of these pulses include research in nonlinear optics, transient response of atomic and ...
A. J. DeMaria, William H. Glenn, Michael J. Brienza, Michael E. Mack   +3 more
openaire   +1 more source

Comparative Effectiveness of 755‐nm Picosecond Laser, 755‐ and 532‐nm Nanosecond Lasers for Treatment of Café‐au‐Lait Macules (CALMs): A Randomized, Split‐Lesion Clinical Trial

Lasers in Surgery and Medicine, 2020
Many types of lasers have been used to treat café‐au‐lait macules (CALMs) since the introduction of the selective photothermolysis theory. However, the efficacy and safety of picosecond lasers, compared with those of nanosecond lasers, have not been ...
Qingqing Cen, Yifei Gu, Lan Luo, Ying Shang, Yamin Rao, Jiafang Zhu, Yue Han, Wenxin Yu, Y. Liu, Xianglei Wu, Hanru Ying, G. Ma, Xiaoxi Lin   +12 more
semanticscholar   +1 more source

Successful Treatment of Pigmentary Disorders in Asians With a Novel 730‐nm Picosecond Laser

Lasers in Surgery and Medicine, 2020
Until recently, quality‐switched nanosecond lasers have been the workhorse lasers in treating pigmented lesions. However, the recently commercialized picosecond lasers have provided physicians with a novel method to manage pigmented lesions.
Sang Ju Lee, H. S. Han, Jun Ki Hong, K. Park, S. Seo   +4 more
semanticscholar   +1 more source

Picosecond laser textured stainless steel superhydrophobic surface with antibacterial adhesion property.

Langmuir, 2019
The pursuit of antibacterial property on the surfaces of food container, medical equipment and pharmaceutical tanks has been a compelling challenge for decades.
Qiaofei Pan, Yu Cao, W. Xue, Dehua Zhu, Wenwen Liu   +4 more
semanticscholar   +1 more source

Comparison of a 1064‐nm neodymium‐doped yttrium aluminum garnet picosecond laser using a diffractive optical element vs. a nonablative 1550‐nm erbium‐glass laser for the treatment of facial acne scarring in Asian patients: a 17‐week prospective, randomized, split‐face, controlled trial

Journal of the European Academy of Dermatology and Venereology, 2020
Novel picosecond lasers using a diffractive optical element (P‐DOE) have been available for skin resurfacing with distinct mechanisms. However, there are limited data directly comparing P‐DOE and conventional fractional lasers for the treatment of ...
Hyuck Hoon Kwon, S. Yang, Y. J. Cho, E. Shin, M. Choi, Y. Bae, J. Y. Jung, Gyeong-Hun Park   +7 more
semanticscholar   +1 more source

Evolution of the Picosecond Laser: A Review of Literature

Dermatologic Surgery, 2019
BACKGROUND Picosecond pulse duration lasers (PS) have altered the field of dermatology. PS were initially used in tattoo removal, to optimize efficacy and reduce side effects with nanosecond domain lasers. More recently, they have been demonstrated to be
R. Torbeck, L. Schilling, H. Khorasani, J. Dover, K. Arndt, N. Saedi   +5 more
semanticscholar   +1 more source

Simple picosecond excimer laser system

Applied Optics, 1986
A method to generate a picosecond excimer laser pulse using a short-cavity dye laser is described.
K, Yamada, K, Miyazaki, T, Hasama, T, Sato   +3 more
openaire   +2 more sources

Picosecond distributed feedback dye lasers

IEEE Journal of Quantum Electronics, 1986
The distributed feedback dye laser is a source of single picosecond pulses tunable in a very wide wavelength range. Operational principles, experimental arrangements, and recent applications are reviewed in this paper.
Bor, Z., Müller, A.
openaire   +2 more sources

Picosecond substructure of laser spikes

IEEE Journal of Quantum Electronics, 1968
The two-photon fluorescence technique has been used to examine, on a picosecond time scale, the output of a long-pulse (non-Q-switched) Nd:glass laser. The well-known ``spikes,'' about 200 nsec wide, are found, in many cases, to consist of a large number of ultrashort pulses, about 3 psec in duration.
S. L. Shapiro, M. A. Duguay, L. B. Kreuzer   +2 more
openaire   +1 more source