Search engine for discovering works of Art, research articles, and books related to Art and Culture
Javascript must be enabled to continue!
Grating External Cavity Diode Lasers with Broad Tunable Range and Narrow Spectral Linewidth for High-Resolution Spectroscopy
View through CrossRef
A grating external cavity technique is used to improve the poor spectral qualities of commercially available semiconductor lasers in order to realize high-resolution spectroscopy. We describe a method of coating an anti-reflector onto the front facet of semiconductor lasers to suppress the intrinsic laser oscillation. The coated laser operates in an external cavity with a Littrow-mounted diffraction grating. The spectral linewidth of the resultant laser system is confirmed to be less than 250 kHz, and the system can be scanned over 25 nm. In order to demonstrate its improved tunability, we observed three resonance lines of two alkali-metal atoms, Rb-D2 (780.0 nm), K-D1 (769.9 nm) and K-D2 (766.5 nm), without replacing the laser chip.
Title: Grating External Cavity Diode Lasers with Broad Tunable Range and Narrow Spectral Linewidth for High-Resolution Spectroscopy
Description:
A grating external cavity technique is used to improve the poor spectral qualities of commercially available semiconductor lasers in order to realize high-resolution spectroscopy.
We describe a method of coating an anti-reflector onto the front facet of semiconductor lasers to suppress the intrinsic laser oscillation.
The coated laser operates in an external cavity with a Littrow-mounted diffraction grating.
The spectral linewidth of the resultant laser system is confirmed to be less than 250 kHz, and the system can be scanned over 25 nm.
In order to demonstrate its improved tunability, we observed three resonance lines of two alkali-metal atoms, Rb-D2 (780.
0 nm), K-D1 (769.
9 nm) and K-D2 (766.
5 nm), without replacing the laser chip.
Related Results
Pump-induced stimulated superradiant Smith-Purcell radiation with ultra-narrow linewidth
Pump-induced stimulated superradiant Smith-Purcell radiation with ultra-narrow linewidth
Abstract
Lasers with the gain medium of gas, liquid, semiconductor, and solid could generate coherent light with rather narrow spectral linewidth, which play an important...
Influence of front and back grating period on light trapping of dual-grating structure thin film solar cell
Influence of front and back grating period on light trapping of dual-grating structure thin film solar cell
In this paper, the influence of different front and back grating period ratio on the optical absorption property of a dual-grating structured thin film solar cell is analyzed using...
Design and analysis of high-spectral resolution lidar discriminator
Design and analysis of high-spectral resolution lidar discriminator
An accurate aerosol optical property can be obtained by a high spectral resolution lidar (HSRL) technique, which employs a narrow spectral filter to suppress Mie scattering in the ...
Exploring Large Language Models Integration in the Histopathologic Diagnosis of Skin Diseases: A Comparative Study
Exploring Large Language Models Integration in the Histopathologic Diagnosis of Skin Diseases: A Comparative Study
Abstract
Introduction
The exact manner in which large language models (LLMs) will be integrated into pathology is not yet fully comprehended. This study examines the accuracy, bene...
Self-reliance and independently developed high-finesse spherical ultrastable optical reference cavity
Self-reliance and independently developed high-finesse spherical ultrastable optical reference cavity
Ultra-stable reference cavity with high finesse is a crucial component in a narrow-linewidth laser system which is widely used in time and frequency metrology, the test of Lorentz ...
Space Weathering simulation on the Aubrite meteorite NWA 13278, putative analogue of Mercury
Space Weathering simulation on the Aubrite meteorite NWA 13278, putative analogue of Mercury
IntroductionThe surface of Mercury as seen by the MESSENGER spacecraft is mostly featureless in the Visible-to-Near-Infrared range (VIS-to-NIR) [1-4], except for some restricted lo...
Fiber-cavity enhanced and high-fidelity optical memory in cold atom ensemble
Fiber-cavity enhanced and high-fidelity optical memory in cold atom ensemble
Entanglement between a photon and an atomic memory is an important tool for quantum repeater research. By using the Duan-Lukin-Cirac-Zoller (DLCZ) process in the atomic ensemble, q...
2.5 kW average power, two-channel spectral-beam-combined output based on transmitting volume Bragg grating
2.5 kW average power, two-channel spectral-beam-combined output based on transmitting volume Bragg grating
Spectral beam combination based on volume Bragg gratings is an effective approach to obtaining high power laser output. In spectral beam combining system, spectral channel spacing ...