Second Harmonic Generation

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Second Harmonic Generation - Jaguar article

Second Harmonic Generation - Jaguar

US Patent 5,867,512 | US Patent 6,297,066 | US Patent 6,869,483 | US Patents pending

Description:

A resonant cavity including a frequency doubler crystal is pumped via a tunable diode laser. Depending on the required SHG power, the tunable diode laser is either a high power external cavity laser, or a two stage Master Oscillator Power Amplifier System. The covered wavelength regime ranges from 365nm up to 540nm.

Technical Details

Spectral Coverage:

High optical power

up to 1000mW available, depending on wavelength
system suitable for Fourth Harmonic Generation into the deep UV regime

Narrow linewidth

linewidth < 1MHz
excellent side mode suppression > 50dB

Excellent cavity design

Bow-Tie type of resonant doubling cavity
Sacher Littrow or Sacher Littman/Metcalf type of master lasers
large mode-hop free tuning range of up to 30GHz

Locking schemes

Hänsch-Couillaud type of Locking of the resonant doubling cavity to the pump laser
pump laser can be stabilized to atomic references via Side of Fringe or Pound Drever Hall

Plug & Play configuration

automated piezo tuning with power read-out
remote control via GPIB, RS232 and USB

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High Power Tunable External Cavity Diode Lasers