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Laser Doppler Flowmetry: Measuring Blood Flow with Light
Laser Doppler Flowmetry: Measuring Blood Flow with Light
In 1842, Johann Doppler delivered his paper on Doppler effect to Royal Bohemian Society. In his paper “On the Colored Light of Double Stars and Some Other Heavenly Bodies”, he arrived at the ...
Edge Emitting vs Surface Emitting Lasers: A Comparison of Performance
Edge Emitting vs Surface Emitting Lasers: A Comparison of Performance
Edge emitting and surface emitting lasers present two configurations for laser emission using semiconductors. Edge emitting lasers came first but were quickly replaced by surface emitting lasers for ...
Surface Emitting Lasers: Types and Applications in Sensing
Surface Emitting Lasers: Types and Applications in Sensing
Since the first demonstration of the laser in 1960, people have endeavored to make lasers more compact. Semiconductor lasers achieved this desired compactness employing so called heterostructures. This ...
Diode Lasers for Cytometry: Cell Counting and Sorting
Diode Lasers for Cytometry: Cell Counting and Sorting
Since the invention of the first operating laser in 1960, lasers have been designed in various regions of the electromagnetic spectrum and output powers. Soon after the advent of semiconductor fabrication ...