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No.2 Ke Chuang fifith street
Tongzhou, Beijing 101111, China
Tel: 86-10-87706028
Fax: 86-10-87706022
Email: info@lngoptics.com
 
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BBO Crystal

 

Applications:
Second, third, fourth and fifth harmonic generation of Nd:YAG lasers
Frequency double, tripling and mixing of Dye and Ti :Sapphire lasers
Optical Parametric amplifiers(OPA) and optical parametric oscillators(OPO)
 
Advantages:
Broad phase-matching wavelength range from 409.6 nm to 3500 nm
Large effective SHG coefficient
High optical homogeneity, high damage threshold of 10 GW/cm2 for 100 ps pulse-width at 1064 nm
Wide temperature-bandwidth of about 55°C(for type I SHG 1064nm)
 
LNG’s offer:

BBO for SHG/THG/FHG/OPA/OPO
Orientation accuracy
±10 arc min
Flatness
λ/8@633nm
Parallelism
15 arc sec
Perpendicularity
<5 arc min
Clear aperture
90%
Edge bevels
<0.2mmx45°
Surface quality
10-5 Scratch/Dig (40-20 after coating)
Wave front distortion
λ/8@633nm
coating:
P-coating or AR coatings
Residual reflectivity:
R1064<0.1%, R532<0.5%
R355<0.8%, R266<2%
BBO for EO Q-Switch
Orientation accuracy
±18 arc min
Flatness
λ/8@633nm
Parallelism
20 arc sec
Perpendicularity
<10 arc min
Clear aperture
90%
Edge bevels
<0.2mmx45°
Surface quality
10-5 Scratch/Dig (40-20 after coating)
Extinction ratio
20dB at 1064nm in clear aperture 8mm
Wave front distortion
λ/8@633nm
Quarter wave voltage
<12000 V
AR coating at 1064nm (T>98.5%)
Au-Cr electrode
BBO Wafer
Minimum thickness: 0.05mm
P-coaitings/ Sustrate: ≤0.5mm thickness
Quality warranty period
one year under proper use
Damage threshold
7 GW/cm2 with 30ps at 1064nm.
Polished only or coated both offered, other specifications offered as customs required.

NOTE
BBO has a low susceptibility to moisture. Users are advised to provide dry conditions for both use and preservation of BBO.
BBO is soft and therefore the protection of its polished surfaces requires precautions.
When angle adjusting is necessary, keep in mind that the acceptance angle of BBO is small.
LNG's engineers can select and design the best crystal for you if parameters of your laser are provided, for example, energy per pulse, pulse width and repetition rate for a pulsed laser, power for a cw laser, laser beam diameter, mode condition, divergence and wavelength tuning range, etc.
Please keep BBO crystals in a certain temperature, it will increase the damage threshold.
LNG provides mounts, sealed housing and glass coating witness when customers need.
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