The table below shows a summary of lock solutions discussed in this series of application notes and of TOPTICA laser locking electronics that can be used to realize these locks. The first column…
TOPTICA Solution
The TOPTICA DFC CORE + is a frequency comb which is based on Difference Frequency Generation (DFG), i.e. the carrier-envelop offset is passively fixed to \(f_{CEO}=0\). It is…
c) Frequency Comb
Another way to stabilize a laser´s phase or frequency is to compare it to a stable light source. A tool which has been developed for exactly this purpose is the frequency comb. Its…
Most controllers are a combination of these three elements. However, there are several ways how to combine and physically implement these elements. Consequently, there is a large variety of…
The Doppler broadened transmission of a second probe beam which is sent through the gas cell without overlapping the pump beam can be used as a reference. Subtracting this reference from the actual…
a) Side-of-fringe locking
Considering a spectral peak, e.g. obtained from the transmission through a spectroscopy cell or through an optical resonator, a straight forward way to obtain an error…
"TOPTICAs CARS solution is really one of our working horses in the lab! The fiber technology is compact, reliable and quiet. I can fully recommend the laser to every researcher working in the field…