Results 1 to 10 of about 11,591 (119)

A split-face study evaluating the efficacy of a topical antioxidant cream containing tocotrienol after 1064-nm picosecond Nd:YAG laser treatment for environment-induced skin pigmentation [PDF]

Archives of Aesthetic Plastic Surgery, 2021
Background This study aimed to evaluate the efficacy and safety of a topical antioxidant cream containing tocotrienol after 1064-nm picosecond neodymium-doped yttrium aluminum garnet (Nd:YAG) laser treatment for environment-induced skin pigmentation ...
Moon Seok Kang, Jun Hyun Kim, Seung Min Nam, Eun Soo Park   +3 more
doaj   +1 more source

An update on fractional picosecond laser treatment: histology and clinical applications [PDF]

Lasers in Medical Science, 2023
Michael R Hamblin, Xiang Wen, Wen Xiang   +2 more
exaly   +2 more sources

Effects of picosecond laser on the multi-colored tattoo removal using Hartley guinea pig: A preliminary study. [PDF]

PLoS ONE, 2018
Picosecond lasers have emerged as the leading technology for tattoo removal due to their shorter pulse lengths. To clarify the features of picosecond lasers, we compared picosecond and nanosecond lasers in their ability to remove multi-colored tattoo in ...
Mi Soo Choi, Hee Seok Seo, Jong Gu Kim, Sung Jay Choe, Byung Cheol Park, Myung Hwa Kim, Seung Phil Hong   +6 more
doaj   +1 more source

Comparison of 1550-nm nonablative fractional laser versus 755-nm picosecond laser with diffractive lens array for atrophic facial acne scars in asian skin: A prospective randomized split-face clinical study

Dermatologica Sinica, 2021
Background: Nonablative lasers are popular alternatives for atrophic acne scar treatment in Asia. Objectives: We aimed to compare the efficacy and safety between 1550-nm nonablative fractional laser (NAFL) and 755-nm picosecond laser with diffractive ...
Mao-Ying Lin, Sindy Hu, Chrang-Shi Lin, Wen-Hung Chung   +3 more
doaj   +1 more source

Comparison of the efficacy and safety of picosecond Nd:YAG laser (1,064 nm), picosecond alexandrite laser (755 nm) and 2% hydroquinone cream in the treatment of melasma: A randomized, controlled, assessor-blinded trial

Frontiers in Medicine, 2023
BackgroundIncreasing numbers of studies demonstrated that picosecond lasers (Picos) were effective and safe for melasma. However, A limited number of randomized controlled trials (RCTs) regarding Picos contribute to a modest level of evidence.
Surong Liang, Shuai Shang, Wensi Zhang, Ansheng Tan, Boyang Zhou, Xueling Mei, Linfeng Li   +6 more
doaj   +1 more source

Microstructure Formations Resulting from Nanosecond and Picosecond Laser Irradiation of a Ti-Based Alloy under Controlled Atmospheric Conditions and Optimization of the Irradiation Process

Micromachines, 2023
This paper presents a study and comparison of surface effects induced by picosecond and nanosecond laser modification of a Ti6Al4V alloy surface under different ambient conditions: air and argon- and nitrogen-rich atmospheres.
Dubravka Milovanović, Boris Rajčić, Dragan Ranković, Biljana Stankov, Miha Čekada, Jovan Ciganović, Dragica Đurđević-Milošević, Zoran Stević, Miroslav Kuzmanović, Tatjana Šibalija, Sanja Petronić   +10 more
doaj   +1 more source

Subsurface Fractional Ablative Resurfacing of a Periareolar Scar Using 1,064-nm Picosecond Laser with Micro-Lens Array [PDF]

Archives of Aesthetic Plastic Surgery, 2018
Although picosecond lasers were invented as an effective treatment of pigmented lesions, the Food and Drug Administration has also approved picosecond lasers with fractional mode for treating acne scars and wrinkles on the face.
Yeansu Choi, Eun Soo Park
doaj   +1 more source

Developments of Space Debris Laser Ranging Technology Including the Applications of Picosecond Lasers

Applied Sciences, 2021
Debris laser ranging (DLR) is receiving considerable attention as an accurate and effective method of determining and predicting the orbits of space debris.
Haifeng Zhang, Mingliang Long, Huarong Deng, Shaoyu Cheng, Zhibo Wu, Zhongping Zhang, Ali Zhang, Jiantao Sun   +7 more
doaj   +1 more source

All-Polarization-Maintaining, Mode-Locking Fiber Front-End Laser Delivering Both the Picosecond Seed Laser and the Femtosecond Seed Laser

Photonics, 2023
An ytterbium-doped, mode-locking fiber front-end laser, delivering both a femtosecond seed laser and picosecond seed laser, was demonstrated. The fundamental repetition rate of the 1031 nm mode-locked laser was 32.77 MHz, realized with the all ...
Yinuo Zhang, Hao Zhang, Kong Gao, Wenchao Qiao, Tianli Feng, Xian Zhao, Yizhou Liu   +6 more
doaj   +1 more source

Pattern analysis of laser-tattoo interactions for picosecond- and nanosecond-domain 1,064-nm neodymium-doped yttrium-aluminum-garnet lasers in tissue-mimicking phantom

Scientific Reports, 2017
During laser treatment for tattoo removal, pigment chromophores absorb laser energy, resulting in fragmentation of the ink particles via selective photothermolysis.
Keun Jae Ahn, Zhenlong Zheng, Tae Rin Kwon, Beom Joon Kim, Hye Sun Lee, Sung Bin Cho   +5 more
doaj   +1 more source