Introduction
1-3
• the method of dispersion compensation: a Gires-Tournois interferome-
ter (GTI) for ps versions and a prism sequence for fs versions.
• cavity configuration of M
4
and M
5
Upgradeability
If you purchased a Model 3960 fs laser, you can convert it to a ps system by
purchasing an upgrade kit and performing the fs to ps conversion yourself
by following the fs to ps conversion procedure in Chapter 6, “Alignment.”
If you purchased a Model 3950 ps laser (no prism mounts installed), you
can purchase an upgrade kit for fs operation. However, the initial upgrade
work must be performed by an authorized Spectra-Physics service engi-
neer. Once these components are installed, you can convert between ps and
fs configurations yourself by following the ps to fs conversion procedure in
Chapter 6.
The Lok-to-Clock option can be purchased as an upgrade if you have an
upgradeable Model 3941D, 3950D or 3960D. However, the initial upgrade
work must be performed by an authorized Spectra-Physics service engi-
neer.
The Model 3941 Tsunami Lite system is designed as a fs-only unit and can-
not be converted.
For more information on upgrades, please contact your Spectra-Physics
sales representative.
Patents
The Tsunami Laser contains technology that is unique among Ti:sapphire
lasers and is covered by the following United States patents:
4,894,831 oscillator design
5,056,103 oscillator design
5,020,073 rod alignment
4,977,566 purged laser head design
5,175,736 birefringent filter
5,185,750 dispersion compensation
5,212,698 dispersion compensation
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