James M Fraser
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Explore the profile of James M Fraser including associated specialties, affiliations and a list of published articles.
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21
Citations
80
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Recent Articles
1.
Tyson K, Godfrey J, Fraser J, Knobel R
ACS Appl Mater Interfaces
. 2024 Sep;
16(39):53186-53194.
PMID: 39312628
Monolayer semiconducting transition-metal dichalcogenides (S-TMDs) have been extensively studied as materials for next-generation optoelectronic devices due to their direct band gap and high exciton binding energy at room temperature. Under...
2.
Artifact suppression and improved signal-to-noise ratio by phase-locked multiplexed coherent imaging
Giamberardino M, Krause T, Fraser J
Opt Lett
. 2024 Feb;
49(3):738-741.
PMID: 38300103
Laser additive manufacturing (AM) promises direct metal 3D printing, but is held back by defects and process instabilities, giving rise to a need for in situ process monitoring. Inline coherent...
3.
Fenwick K, England D, Bustard P, Fraser J, Sussman B
Opt Express
. 2020 Sep;
28(17):24845-24853.
PMID: 32907016
Wavelength-tunable, time-locked pairs of ultrafast pulses are crucial in modern-day time-resolved measurements. We demonstrate a simple means of generating configurable optical pulse sequences: sub-picosecond pulses are carved out from a...
4.
Windeler M, Mecseki K, Miahnahri A, Robinson J, Fraser J, Fry A, et al.
Opt Lett
. 2019 Aug;
44(17):4287-4290.
PMID: 31465384
New high-repetition-rate x-ray free electron lasers (XFELs) require for their operation highly reliable ultrafast laser systems with high pulse energy, high repetition rate, and high average power. In this Letter,...
5.
Altal F, Allen T, Nestor S, Fleming T, Fraser J
Appl Opt
. 2019 Mar;
58(7):1614-1620.
PMID: 30874192
We present a dual-channel inline coherent imaging system for laser machining monitoring using a single spectrometer. Sensitivity enhancement due to the added signal of the two input channels is demonstrated...
6.
Mecseki K, Windeler M, Miahnahri A, Robinson J, Fraser J, Fry A, et al.
Opt Lett
. 2019 Mar;
44(5):1257-1260.
PMID: 30821762
We present a 100 kHz, sub-20 fs optical parametric chirped-pulse amplifier (OPCPA) system delivering 88.6 W average power at a center wavelength of 800 nm. The seed pulses are derived...
7.
Moody G, Tran K, Lu X, Autry T, Fraser J, Mirin R, et al.
Phys Rev Lett
. 2018 Aug;
121(5):057403.
PMID: 30118275
In atomically thin two-dimensional semiconductors such as transition metal dichalcogenides (TMDs), controlling the density and type of defects promises to be an effective approach for engineering light-matter interactions. We demonstrate...
8.
Yin C, Ruzzante S, Fraser J
Lasers Surg Med
. 2016 Jan;
48(3):288-98.
PMID: 26718116
Background And Objective: Laser osteotomy bears well-identified advantages over conventional techniques. However, lack of depth control and collateral thermal damage are barriers to wide clinical implementation. Flexible fiber delivery and...
9.
Fraser J, Timan A, Miller K, Dowd J, Tucker L, Mazur E
Rep Prog Phys
. 2014 Mar;
77(3):032401.
PMID: 24595011
Physics faculty, experts in evidence-based research, often rely on anecdotal experience to guide their teaching practices. Adoption of research-based instructional strategies is surprisingly low, despite the large body of physics...
10.
Yu K, Wright L, Webster P, Fraser J
Opt Lett
. 2013 Jun;
38(11):1799-801.
PMID: 23722748
We achieve high aspect-ratio laser ablation of silicon with a strong nonlinear dependence on pulse duration while using a power density 10(6) times less than the threshold for typical multiphoton-mediated...