Four ps Diode Lasers - One Fibre Output
Four lasers of different wavelength
One single-mode fibre output
Internal variable optical attenuators
Wavelengths from 375 nm to 850 nm
Pulsed mode and CW mode
Pulse repetition rate 20, 50, 80 MHz
Power in pulsed mode up to 3 mW
Power in CW mode up to 20 mW
Pulse width down to 38 ps
Sync input, Sync output
Excellent power stability
Excellent timing stability
Fast ON/OFF and multiplexing capability
Compact Module, 450 mm × 300 mm × 80 mm
Simple +12 V power supply
Compatible with all bh TCSPC devices
Specifications
Optical
Number of laser lines
up to 4
Output fibre type
Single mode, LASOS precision connector, Point source connector, or FC connector
Wavelengths range
375 nm to 850 nm
Integrated bh laser series
BDS-SM, BDS-SMY
Repetition Rate
20, 50, 80 MHz and CW
Pulse width (FWHM, at 50% power)
30 to 100 ps
Power control range (electrical, ps mode)
0 to 1 mW ..... 0 to 3 mW (depends on wavelength)
Power control range (electrical, CW mode)
0 to 5 mW ..... 0 to 20 mW (depends on wavelength)
Power control range (optical)
1% to 100%, separate for individual lasers
Sync Output, to TCSPC Modules
Pulse Amplitude
-1.2 V (peak) into 50 W
Pulse Width
1 ns
Output Impedance
50 W
Connector
SMA
Jitter between Sync Out and Optical Pulse
< 10 ps
Synchronisation Input / Laser Trigger
Input amplitude
+3.3 to +5 V into 50 W
Duty cycle
max. 30 %. DC equivalent must be < 2.5 V
Input frequency
single shot to 80 MHz
Switch between internal clock and sync input
automatic, by average voltage at trigger input
Frequency range with active power stabilization
10 MHz to 80 MHz
Connector
SMA
Control Inputs
Laser Emission ON/OFF
TTL / CMOS, ‘low’ means ‘OFF’, internal pull-up, separate for the four lasers
Response of optical output to ON/OFF signal
< 4 us for power 10 to 100 %
External Power Control
analog inputs, 0 to +10 V, separate for the four lasers
Response time of optical output to power control
< 4 us for power 10 to 100 %
Frequency Control
20/50/80/CW, common for Laser 1 and 2 and for Laser 3 and 4
Multiplexed Operation
Multiplexing control
via internal MPM module or external DDG-120 pulse generator
Multiplexed-FLIM operation
via internal MPM module, Pixel, frame, line multiplexing, controlled by scan clocks
FLIM/PLIM operation
via internal MPM module or external DDG-120 pulse generator
Laser Safety Remote Interlock
Connector
LEMO 4 pin
Polarity of interlock signal
Connection to GND, Connection to +5V...+12V, CMOS L or CMOS H
Function
Interlock turns off the power supply to the lasers
Power Supply
Power Supply Voltage
+12V (+ 9 V to +15 V)
Power Supply Current at 12V
500 mA to 2 A 1)
Mechanical Data
Dimensions
450 mm x 300 mm x 80 mm
1) Depends on case temperature due to laser diode cooling. Cooling current changes with case temperature.
商品属性 [波长] 375 nm to 850 nm [功率] 0 to 20 mW (depends on wavelength) [脉宽] 30 to 100 ps [重复频率] 20, 50, 80 MHz and CW