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Fabry Perot Cavity

Microsoft Word - Wavelength Control and Locking with Sub-MHz Precision

Microsoft Word - Wavelength Control and Locking with Sub-MHz Precision

…spectral linewidth of a single-longitudinal-mode laser
is the spectral bandwidth of the lasing cavity mode.
Like a passive Fabry-Perot cavity, the linewidth of a DPSS laser decreases with cavity finesse
and increases with any intra-cavity losses, while the gain narrows the linewidth.…

Microsoft Word - HECLs demonstrate high power and narrow spectral linewidth.doc

Microsoft Word - HECLs demonstrate high power and narrow spectral linewidth.doc


mirror. The VHGs utilized were manufactured by Ondax Corporation, and featured a variety of wavelengths and
spectral bandwidths. The cavity design is schematically represented in Figure 1. The use of the VHG as a spectrally
filtered feedback source in this manner allows the broad…

Self-Aligned Non-Dispersive External Cavity Tunable Laser.pdf

Self-Aligned Non-Dispersive External Cavity Tunable Laser.pdf


Wavelength [nm]
(a) (b)
mirror
laser
VHG
mirror
laser
VHG
(c)
Fig. 2. (a) Self-aligned External Cavity architecture. (b) Single frequency mode spectra of the
solitary laser and for two rotation angles of the VHG (c) Picture of the collimated ECL…

High Power 7-GHz Bandwidth External-Cavity Diode Laser Array and Its Use in Optically Pumping Singlet Delta Oxygen.pdf

High Power 7-GHz Bandwidth External-Cavity Diode Laser Array and Its Use in Optically Pumping Singlet Delta Oxygen.pdf

"smile" effect (the emitters are not aligned perfectly straight), VBG coupling conditions to
each emitter are different. This causes the fact that some emitters have good side-mode
suppression while others do not. To evaluate overall spectral quality of the ECDLA, an
integrating…

Sample manuscript showing specifications and style

Sample manuscript showing specifications and style

aligned in the sense that any orientation of the VHG produces feedback in the laser diode cavity. A second output beam
is generated from the un-diffracted beam from the second diffraction.
Wavelength tuning can be achieved, for example, by rotating the VHG around an axis perpendicular to…