Abstract
We report onthe combination of good tunability with superb short-term frequency, stability and controllability which exhibits the excellent spectral properties of a diode laser set up. The concept of this is based on merging of the diode laser with resonant optical feedback and the grating stabilized diode laser. The short-term performance to characterize it is batted two essentially identical diode lasers also to find short-term line width. Between these lasers phase locking is achieved with a servo small bandwidth although it is required for subradian residual phase error to use of an analog phase detector. The concept of the laser is suitable for atomic or molecular coherence experiments only due to the excellent performance.
Highlights
A diode laser system exhibits its all the advantages of grating stabilized diode lasers
Because of the spectral availability and a good overall with continuous tunability, diode lasers are well suitable for a variety of laser spectroscopic application [1]
An investigation through experimental layout atomic coherence or coherence between individual rotational and vibrational molecular states is required for relative phase locking of different lasers [3, 4]
Summary
A diode laser system exhibits its all the advantages of grating stabilized diode lasers. The system is good overall and continuous tunability, the reliability and simplicity of operation. Because of the spectral availability and a good overall with continuous tunability, diode lasers are well suitable for a variety of laser spectroscopic application [1]. If relative stability of hertz is required the diode lasers exhibits broadband frequency which can pose a severe obstacle for locking diode lasers to an optical reference. If a grating diode laser is employed it typically requires a frequency control servo bandwidth of a few megahertz [6]. For the excellent short-term stability and relatively small frequency noise bandwidth there is a common advantage to diode lasers with resonant optical feedback
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