Resonant Frequency Doubler, model FD-SF-07
Unique FD-SF-07 doubler is the most efficient resonant frequency doubler for CW 
single-frequency lasers in the present market.
General description
 Resonant rigid cavity for high efficiency doubling of cw radiation, 
power-enhancement factor up to 130. 
 Fast two-stage system of locking the cavity to the frequency of input 
radiation (Hansch-Couillaud polarization method). 
Wavelength range, conversion efficiency
 Fundamental mirror set covering approximately 900-950 nm.
 Nonlinear crystal (LBO) for wavelength 922 nm fundamental.
 Conversion efficiency: > 20% at 1W input at 922 nm.
 Stable operation for fundamental pump power <2W.
Design features
 Crystal mount with temperature stabilization, lateral translation and phase 
matching adjustment.
 Enclosed cavity with nitrogen purge port, express-access to the alignment of 
the non-linear crystal through a special easily removable lid.
 Electronics module with user-adjustable servo control parameters, separate 
control photo-detector included into the standard set of the electronic unit.
 Automatic relock electronics.
 Input coupling optics, harmonic separation optics, and output beam-shaping 
optics (cylindrical lens).
Specifications: 
Resonant Frequency Doubler, model FD-SF-07:
Wavelength range: 922 +/-5 nm
Conversion efficiency: > 20% at 1W input at 920 nm.
Automatic relock electronics, temperature stabilization of crystal, input 
coupling optics, harmonic separation optics, and output beam-shaping optics.
Price of the FD-SF-07 doubler with above mentioned specifications, including 
delivery, installation, teaching and 12-months warranty period: 
47,950 USD. 
Time of delivery: 12 weeks ARO. 
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