Parameters of BBO Crystal

The parameters of a BBO crystal mainly include the following aspects:

Physical Characteristics

Melting Point: 1095±5°C.

Mohs Hardness: 4.5~5.

Density: 3.85g/cm³.

Optical Characteristics

Transmission Range: 190 - 3500nm, with an extremely wide transmission range.

Absorption Coefficient: At specific wavelengths, such as at 1064nm, α<0.001/cm; at 532nm, α<0.01/cm, showing its low absorption characteristic.

Phase Matching Range: 409.6 - 3500nm, with a wide phase matching interval.

Frequency Doubling Conversion Efficiency: About 6 times that of KDP crystals, demonstrating its high - efficiency nonlinear optical performance.

Optical Uniformity: Δn≈10^-6/cm, indicating that its optical performance is uniform and stable.

Damage Threshold: For example, under the conditions of 1064nm, 10ns, and 10Hz, the high damage threshold reaches up to 10J/cm², showing its ability to withstand high energy density.

Temperature Performance

Wide Temperature Acceptance Angle: About 55°C, meaning it can maintain good optical performance within a wide temperature range.

Application Characteristics

BBO Crystal can be used for various types of laser frequency conversion, such as the third harmonic generation of Nd: YAG lasers, as well as dye lasers, ultrafast pulse lasers, titanium sapphire lasers, etc.

Suitable for advanced optical applications like optical parametric oscillator (OPO) and optical parametric amplifier (OPA).