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The Principle, Application and Imaging of SHG
The second harmonic microscope (SHIM) is based on a nonlinear optical effect called second harmonic generation (SHG). SHIM has been established as a...
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Effect of Laser Beam Amplitude Profile on Second Harmonic Generation Efficiency
AbstractThe efficiency of laser radiation harmonic generation in nonlinear crystals is one of the most pressing problems in applied nonlinear optics....
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Tunable high-efficiency femtosecond pulse second harmonic generation in a slab periodically poled lithium niobate crystal
A typical 1D slab periodically poled lithium niobate (PPLN) crystal with a fixed auxiliary reciprocal lattice vector (RLV) normally achieves only a...
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Physico-chemical properties, SHG and THG studies of an semiorganic NLO material l-glutamic acid nickel chloride
Semiorganic nonlinear optical l -Glutamic acid Nickel Chloride (LGANC) single crystals were harvested using the slow evaporation solution growth...
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Breaking the efficiency limitations of dissipative Kerr solitons using nonlinear couplers
Dissipative Kerr solitons (DKS) have long been suffering from poor power conversion efficiency when driven by continuous-wave lasers. By deriving the...
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Growth, characterization and SHG studies of Cu (II) doped manganese sulfate monohydrate crystals
Copper incorporated manganese sulfate single crystals have been grown by a conventional slow evaporation solution technique using water as solvent....
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Oven segmentation scheme for pulse shape and efficiency improvement in a picosecond second harmonic generation
A multi-segment oven scheme is proposed to control the temperature distribution inside a MgO:PPLN crystal to generate a second-harmonic generation...
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Structural, vibrational, optical and second harmonic generation studies of urea doped single KDP crystals grown by Sankaranarayanan–Ramasamy technique
The method of cooling aqueous solution and the Sankaranarayanan–Ramasamy technique were used for the preparation of urea doped KDP single crystals...
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Effect of chirp parameter on the second harmonic efficiency in relativistic super-Gaussian laser-plasma interaction
In this paper, a homogeneous, under-dense plasma channel was subjected to an interaction with a chirped super-Gaussian laser beam. We assume that the...
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Flexible dual-wavelength second-harmonic generation in nested quasi-periodic optical superlattice
In this paper, a simple approach is presented to generate the dual-wavelength second harmonic(SH) with flexible conversion efficiency ratio and...
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Second Harmonic Generation Optimization under Limited Power Density of Fundamental Radiation: Part 2
AbstractThe process of second harmonic generation (SHG) of laser radiation in a BBO crystal is theoretically studied with the aim of determining the...
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Structural, spectroscopic, dielectric, and impedance features of l-histidinium acetate dihydrate crystals for optoelectronic uses
Non-linear optical materials have greatly impacted science and technology in recent years. In the present work, crystals of amino acid derivative l -hi...
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Determination of SHG deff by Maker fringes studies on unidirectional grown guanidinium chlorochromate single crystal for NLO device applications
Optically good-quality, organometallic bulk single crystal of guanidinium chlorochromate (GCC) was fruitfully grown by Sankaranarayanan–Ramasamy (SR)...
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Efficient second harmonic generation by harnessing bound states in the continuum in semi-nonlinear etchless lithium niobate waveguides
Integrated photonics provides unprecedented opportunities to pursue advanced nonlinear light sources with low-power consumptions and small footprints...
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Fabrication and characterization of high-damage resistance Zn-diffused MgO: PPLN ridge waveguides
This study investigates the fabrication process of Zn-diffused ridge waveguides in periodically poled magnesium-doped lithium niobate (PPMgO: LN). A...
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Structural, spectral and nonlinear optical analysis of cytosinium dihydrogen phosphite crystal
Cytosinium dihydrogen phosphite (CDHP), a semiorganic crystal has been grown by slowly evaporating the solvent. It crystallizes in triclinic system...
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Inspecting the impact of decisive factors on the second- and third-harmonic generation in cylindrical core/shell/shell quantum dot (CCSSQD) with hydrogenic impurity
The main objective of this research report is to explore the influence of additional tuning factors (magnetic field, dielectric environment, well...
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Polarization-Resolved Second-Harmonic Generation for Tissue Imaging
Most bio-tissues are constituted by variable 3D molecular orientations and diversified index-changing biological substances that are organized into a...
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Second and third harmonic generation from simultaneous high peak- and high average-power thin disk laser
We report Second Harmonic Generation (SHG) and Third Harmonic Generation (THG) energy conversion efficiencies up to 59% and 27%, respectively, for...
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Tuning the efficiency of Random Laser Generation in a Suspension of ZnO Nanoparticles by Means of its Directional Freezing
In this paper, we introduce a novel approach to control the random lasing based on multiphoton luminiscence in Zinc oxide (ZnO) nanoparticle water...