In other words, the anti-symmetric spin-dependent terms in RAS require the inclusion of the SOC effect. Magneto-Raman effect in CrI3 Monolayer CrI3 has a space group of P3 (No. 143), and its unit cell has eight atoms and, thus, 24 normal phonon modes at the Γ point. They are ...
Raman spectroscopy and microscopy: a means of imaging material based on the Raman effect, in which a certain number of photons directed at a surface are reflected inelastically, that is, a loss of energy is recorded, generally as a function of the molecular bond length and vibration status....
Raman spectroscopies are attracting growing interest from a variety of scientific disciplines. The Raman effect originates from the inelastic scattering of light, and it can directly probe vibration/rotational-vibration states in molecules and materials. Despite numerous advantages over infrared spectroscopy...
Raman spectroscopy is a very popular non-destructive analytical method used in chemistry, biology, medicine, materials science and forensics. Its strength resides in the capability to achieve an accurate chemical and structural fingerprint of materials. Raman spectroscopy is based on the Raman effect, ...
Gain saturation in a Raman amplifier occurs when the pump power is depleted by amplifying the signal. Because there is essentially no upper state lifetime to mitigate the effect of gain saturation, as per Eq. (14.12), the second-order distortion can be significant. Like the case of the pump...
[ 3 ] WangQi, Yang Xiaoda, ZhangBaoxu, et al. The anxiolytic effect of cinnabar involves changes of serotonin levels [ J ]. Eur J Pharm, 2007, 565: 132. [ 4 ] 杨秀伟. 中药成分的吸收、分布、代谢、排泄、毒性与药效. 下 册[M]. 北京:中国医药科技出版社, 2007: 1829. ...
if the 3rd NL effect in the solid medium is used to intentionally broaden the pump laser to engage more spectral components in the NRND process via exploiting, multi-colored diffraction patterns can be seen in the diffraction-order beam with a large emitted angle. We believe that the rainbow ...
1. A method to increase the sensitivity of the Raman effect by multiple orders of magnitude, allowing detection of one or more trace molecules that are exuded from a chemical compound of interest and present in a medium, thus enabling a real-time, stand-off sensor, comprising: selecting as ...
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The Raman amplifier uses the physical phenomenon whereby a Raman amplification effect occurs in the wavelength range that depends on the wavelength of pump light, as shown in FIG. 1, as a result of making the pump light having a certain wavelength be incident to an optical fiber. In the exa...