Burst-conversion modules
An external module for conversion of ultra-short laser pulses to bursts
BCM1 BCM2
Functions
Transformation of conventional laser pulsed radiation into burst mode
The controlled temporal distance between sub-pulses in burst
Controlled sub-pulse energy in a burst
Compatible with most ultrashort pulse lasers
Applications
Transformation of conventional laser pulsed radiation into burst mode
The controlled temporal distance between sub-pulses in burst
Controlled sub-pulse energy in a burst
Compatible with most ultrashort pulse lasers
Specifications
Number of modules: 1 for BCM1 and 2 for BCM2
Controlled time delay between sub-pulses: 0.5 ns - 2 ns, step 33 ps
Controlled sub-pulse repetition rate: 0.5 GHz - 2 GHz
Controlled number of sub-pulses in the burst: 2 for BCM1 and 4 for BCM2
Controlled delay line length: 30 cm, step 1 mm
Temporal delay between pulses: ± 3.3 ps
Orientation control of half-wave phase plates: 0° - 45°, step 1°
Operating ambient temperature: 15°C to 30°C
Dimensions (xyz): 15 × 60 × 10 cm3 for BCM1 and 30 × 60 × 10 cm3 for BCM2
Laser requirements
Wavelength of irradiation: 1064 nm
Incoming beam radius at level 1/e²: 2 mm - 4 mm
Pulse repetition rate: 0 Hz to 100 MHz
Gaussian beam quality: M² < 1.3
The damage threshold of optics: 10 J/cm² at 1064 nm, 10 ns, 20 Hz
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