scholarly journals High-sensitivity measurement of Rydberg population via two-photon excitation in atomic vapour using optical heterodyne detection technique

Pramana ◽  
2019 ◽  
Vol 92 (5) ◽  
Author(s):  
Arup Bhowmick ◽  
Dushmanta Kara ◽  
Ashok K Mohapatra
Keyword(s):  
High Sensitivity ◽  
Detection Technique ◽  
Heterodyne Detection ◽  
Optical Heterodyne ◽  
Sensitivity Measurement ◽  
Two Photon ◽  
Photon Excitation ◽  
Optical Heterodyne Detection ◽  
Two Photon Excitation

scholarly journals Two-photon sensitive protecting groups operating via intramolecular electron transfer: uncaging of GABA and tryptophan

2015 ◽  
Vol 6 (4) ◽  
pp. 2419-2426 ◽  
Author(s):  
Karolina A. Korzycka ◽  
Philip M. Bennett ◽  
Eduardo Jose Cueto-Diaz ◽  
Geoffrey Wicks ◽  
Mikhail Drobizhev ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
High Sensitivity ◽  
Protecting Groups ◽  
Intramolecular Electron Transfer ◽  
Modular Approach ◽  
Two Photon ◽  
Photon Excitation ◽  
Two Photon Excitation

We present a modular approach to photo-labile protecting groups based on photoinduced electron transfer, providing high sensitivity to two-photon excitation.

Photoactivatable AMPA for the study of glutamatergic neuronal transmission using two-photon excitation

2021 ◽  
Author(s):  
Davide Deodato ◽  
Naeem Asad ◽  
Timothy M. Dore
Keyword(s):  
Glutamate Receptor ◽  
Temporal Resolution ◽  
Receptor Agonist ◽  
High Sensitivity ◽  
Glutamatergic Transmission ◽  
Two Photon ◽  
Photon Excitation ◽  
Neuronal Transmission ◽  
Glutamate Receptor Agonist ◽  
Two Photon Excitation

TMP-CyHQ-AMPA is a photoactivatable form of a glutamate receptor agonist that has high sensitivity to 2-photon excitation. It can be used to study glutamatergic transmission with exceptional spatial-temporal resolution in complex tissue preparations.

scholarly journals All-Fiber Frequency Shifter Based on an Acousto-Optic Tunable Filter Cascaded with a Tapered Fiber-Coupled Microcavity

Crystals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 497
Author(s):  
Xiaofang Han ◽  
Yue Hu ◽  
Jiwei Li ◽  
Pengfa Chang ◽  
Feng Gao ◽  
...  
Keyword(s):  
Low Cost ◽  
Tunable Filter ◽  
Detection Technique ◽  
Heterodyne Detection ◽  
Optical Heterodyne ◽  
Tapered Fiber ◽  
Frequency Shifter ◽  
Compact Size ◽  
Optical Heterodyne Detection ◽  
Theory And Experiment

An all-fiber acousto-optic frequency shifter (AOFS) based on an acousto-optic tunable filter (AOTF) cascaded with a packaged tapered fiber (TF)-coupled microsphere was proposed and demonstrated in both theory and experiment. The configuration has the advantages of easy alignment, robustness, compact size, and low cost, which will improve its further application, such as in the optical heterodyne detection technique (OHDT).

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