…"reference" cavity and use the
"analyzer" cavity to monitor any residual changes in the Verdi wavelength.
Figure 1. The wavelength of a Verdi with a PZT-actuated mirror was locked to the reference cavity.
Stabilization of the Verdi wavelength was verified using the analyzer cavity.…
* Argon or Krypton models, including Krypton models optimized for Violet or UV wavelengths
* PowerTrack™ automatic active cavity stabilization for maximum power, best transverse mode, and lowest beam noise
* ModeTrack/ModeTune™ etalon stabilization for mode-hop-free,…
…the cavity, with a precision and stability
of ±1 MHz. They actually use the cavity
itself as a reference for locking the laser.
Only low (<1 W) laser power is needed for
this method because the high numerical
aperture (NA) creates very high intensity
at the cavity…
…diodes near 780 nm. The passive alignment feature of the cavity is expected to reduce the assembly cost of tunable ECLs. ©2008 Optical Society of America OCIS codes: (140;2020) Diode lasers; (090.4220) Multiplex holography References and links 1. S. Lecomte et. al. "Self-aligned extended-cavity…
…(140.3290) Laser arrays; (090.7330) Volume holographic gratings. ___________________________________________________________________________ References 1. Hidemi Tsuchida, "Tunable, narrow-linewidth output from an injection-locked high-power AlGaAs laser diode array," Opt. Lett. 19, 1741 (1994).…
1. P. Zorabedian et. al. "Alignment-stabilized grating-tuned external cavity semi-conductor
laser," Opt. Lett. 15, 9 pp. 483-485. (1990).
2. P. Mills "Single mode operation of 1.55 m semi-conductor laser using a volume
holographic grating," Electron. Lett. 21, 15 pp…
…on a very few
components and the optics are solder-bonded on submounts that are also solder-bonded on the optical
reference baseplate for perfect cavity alignment. There
are no locking or threaded elements or flexure points.
Alignment of each optic during bonding is monitored…
900 option offers automatic cavity-length control. Length actuators are used to lock the cavity
repetition rate to an internal crystal oscillator or
to an external reference frequency. Computer
control allows `one touch' lock acquisition.
…timescale of the cavity
round trip time. Thus, on the laser mode timescale
there is no stored gain, only instantaneous gain. The
behavior of the individual cavity modes therefore is
determined solely by the cavity, the gain just follows
If the cavity is properly…
…reference bonding surface for the VHG. The VHG slant angle (angle between
the normal of the grating vector and VHG's surface normal) provides the necessary diffraction angle for the cavity.
We have presented and experimentally demonstrated a self-aligned external cavity…
…wavefront distortion was barely detectable at ~ /40.
980 nm SM Laser
980 nm SM Laser
…power. And -Track provides fast
warm-up and maintains cavity length to assure
If you wish to maintain an absolute
frequency, Sabre can be locked to an external
UV Performance You Can See
With Sabre's intelligent…