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Femtosecond Laser for Two-Photon Microscopy   Options Module Description Wavelength extension* DFC IR Centered @ 1560 nm, bandwidth > 80 nm, typ. 100 nm DFC NIR Centered @ 780 nm, bandwidth  
Femtosecond Laser for Two-Photon Microscopy   Specifications DFC CORE + Center wavelength 1560 nm (other wavelengths see DFC Extensions) Comb spacing 200 or 80 MHz Laser outputs 4 or 8,  
Application Notes - Trapping and Quantum Computing   Trapping and Quantum Computing View all products  
Frequency References - d) A Second, Stable Laser   d) A Second, Stable Laser A laser locked to one of the above mentioned references can serve as a reference itself. Difference frequencies are limited by the bandwidth of the employed photodetector,  
Frequency References   The concept of phase and frequency stabilization relies on the possibility to detect changes of the quantity that is wished to be stabilized. To do so this quantity has to be measured continuously,  
Frequency References - a) Atomic or Molecular Transitions – Spectroscopy   a) Atomic or Molecular Transitions – Spectroscopy For many applications, a good and simple way to stabilize a laser´s frequency is to compare it to an atomic or molecular transition. One advantage  
Frequency References - b) Optical Cavities   b) Optical Cavities An alternative approach of measuring a laser´s frequency is to link it to the geometrical properties of an optical cavity. The most common type for this purpose is the  
Frequency References - c) Frequency Comb   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  
Frequency References - TOPTICA Solution   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  
Phase Lock to an Optical Reference   There are various ways to lock a laser to another optical reference. Here, the general principle of a phase lock to an optical reference will be described. The optical reference can e.g. be a second  
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