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CASTECH provides BBO with the following AR-coatings:

Dual Band AR-coating (DBAR)of BBO for SHG of 1064nm
low reflectance (R300MW/cm2 at both wqvelengths);
long durability;
Broad Band AR-coating (BBAR) of BBO for SHG of tunable lasers.
Broad Band P-coating of BBO for OPO applications.
Other coatings are available upon request.

CASTECH Warranty on
 – more... BBO Specifications

Dimension tolerance:
(W±0.1mm)x(H±0.1mm)x(L+0.5/-0.1mm) (L=2.5mm)
(W±0.1mm)x(H±0.1mm)x(L+0.1/-0.1mm) (L1 for 1064nm,TEM00,10ns,10HZ (polished only),
>0.5 for 1064nm,TEM00,10ns,10HZ(AR-coated) ;
>0.3 for 532nm,TEM00,10ns,10HZ(AR-coatd)
Quality Warranty Period: one year under proper use.


BBO has a low susceptibility to the moisture. The user is advised to provide dry conditions for both the use and preservation of BBO. BBO is relatively soft and therefore requires precautions to protect its polished surfaces. When angle adjusting is necessary, keep in mind that the acceptance angle of BBO is small. CASTECH engineers can select and design the best BBO crystal, if the main parameters of your laser are provided, such as energy per pulse, pulse width and repetition rate for a pulsed laser, power for a cw laser, laser beam diameter, mode condition, divergence, wavelength tuning range, etc. For thin BBO crystal,CASTECH can provide free holder for you .

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CASTECH Employer Reviews

assistant manager in TIS and acquisitiion (Current Employee), delhiNovember 29, 2013

Working at CASTECH