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Sum Frequency Generation

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…CW laser cavity.
Optical parametric generation
In the SFM process described in the previous section, two photons at different frequencies interact to produce a single photon at a frequency that is the sum
of the two initial frequencies. The opposite process is also possible: A single…

Verdi G-Series

Verdi G-Series

…thermal lensing issues). In addition, the short upper-state lifetime of the OPS chip removes the “green noise” problem as seen with sum frequency generated (SFG) noise in multi-longitudinal mode DPSS lasers. Single longitudinal mode options are available up to 5W. See the Verdi G-Series whitepapers…

2016-Ultrafast-Laser-Systems-Catalog.pdf

2016-Ultrafast-Laser-Systems-Catalog.pdf

…5 m to 15 m for <50 fs pump. DFG2 pulse width is (1 to 2) x pump for <130 fs pump.
Typical OPerA Solo Beam Profile
500 nm Sum Frequency Generation
OPerA Solo
Fully Integrated, Computer-Controlled Femtosecond Optical Parametric Amplifier Accessory
Key Advantages
·…

OPerA Solo Ultrafast Optical Parametric Amplifier

OPerA Solo Ultrafast Optical Parametric Amplifier

…Application Process Applied Physics Physical Chemistry FEL/Synchrotron Studies Multidimensional Spectroscopy 3D Contour Mapping Surface Sum Frequency Generation --> Ultrafast Optical Parametric Amplifier - As the first unit of its kind, the OPerA Solo integrates all pump conditioning optics and…

Life Sciences and Medical Applications

Life Sciences and Medical Applications

…have become increasingly popular. These include Second Harmonic Generation (SHG) microscopy and Coherent Anti-Stokes Raman Spectroscopic (CARS) microscopy. This suite of non-linear techniques require the use of Ultrafast lasers, generating pulses of 100-200 fs and tunable over the near IR region of…

COHR Femtosecond Amplifier Provides Turnkey Access to Extreme Operating Regimes WP.pdf

COHR Femtosecond Amplifier Provides Turnkey Access to Extreme Operating Regimes WP.pdf

…performing experiments based on sum frequency generation (SFG), a
technique originally developed by Xiong as a graduate student in the lab of Martin Zanni. 2D SFG
is ideal for studying surface bound catalysts because SFG vibrational signals are only generated
at surfaces and phase…

SurfaceCatalystStructure AstrellaProfXiong2D Case Study FINAL.pdf

SurfaceCatalystStructure AstrellaProfXiong2D Case Study FINAL.pdf

…Li, Y.; Kaslan, C. L.; Kubiak, C. P.; Xiong, W. Short-Range Catalyst-
Surface Interactions Revealed by Heterodyne Two-Dimensional Sum Frequency
Generation Spectroscopy. J. Phys. Chem. Lett. 2015, 6, 4204-4209.
(2) Kumar, B.; Llorente, M.; Froehlich, J.; Dang, T.; Sathrum, A.; Kubiak,…

Photonics Spectra - September 2017

Photonics Spectra - September 2017

…materials. 2D EIR is a hybrid form that
looks at links between vibrational (i.e.,
infrared) and electronic excitations. Even
sum frequency generation (SFG) mixing
signals can be studied in a 2D format.
Researchers in photochemistry, photobiology, nanotechnology and photonic…

COHR RLScatalog 2017revA web.pdf

COHR RLScatalog 2017revA web.pdf

…µm to 15 µm for <50 fs pump. DFG2 pulse width is (1 to 2) x pump for <130 fs pump.
Typical OPerA Solo Beam Profile
500 nm Sum Frequency Generation
OPerA Solo
Fully Integrated, Computer-Controlled Femtosecond Optical Parametric Amplifier Accessory
Key Advantages
·…

Europhotonics - Summer 2018

Europhotonics - Summer 2018

…at the sum of the two
laser frequencies is generated.
When the IR laser wavelength is
resonant with a vibration mode of the
molecules at the interface, the probability
of SFG increases by several orders of
magnitude. Tuning the IR laser thus allows generation of a…

COHR TOPAS-Prime DS 0217 2.pdf

COHR TOPAS-Prime DS 0217 2.pdf

…· Energy conversion >30% to 35% to parametric light · Low output noise due to whitelight seeding · Optional fresh pump channel for improved sum frequency performance · Modular option for extended tuning from 190 nm to 20 m: Standard tuning is from 1150 nm to 2600 nm · Configurations to accommodate…

COHR WP OPSL No Green Noise final 5.15.18.pdf

COHR WP OPSL No Green Noise final 5.15.18.pdf

…figure 2. The reason is that both second-harmonic generation
(doubling the frequency of one longitudinal mode) and sum-frequency generation (adding the
frequencies of two different longitudinal modes) are possible. Sum-frequency generation
couples individual longitudinal modes and…