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Electro-Optic Pulse Picker
- High quality
- Easy to operate
- Advanced in-house design
- High reliability
PRODUCT DESCRIPTION
We have developed a complete line of Pulse Selection Systems for use with Ti:Sapphire, YAG, YLF and OPO’s from 350nm-to 1600nm applications. Customized options are also available.
Features:
- Pulse selection: select from single pulse to 30MHz from mode locked lasers
- Rep. Rate: Up to 30Mhz
- Transmission: >85%
- Pulse width: Min. pulse width of 18ns measured at zero
- Pulse width limit: no limit
- Rise/Fall time: 8ns
- Offset: centre in and centre out operation. No office or angular change
- Dispersion: no spatial dispersion
Specifications of Electro-Optic Modulators:
Ti:Sapphire (350nm-to-500nm) |
Model 350-105 KD*P Series Modulator |
Ti:Sapphire (700nm-to-1064nm) |
Model 350-160 KD*P Series Modulator |
OPO’s (1000nm-to-1600nm) |
Model 360-120 LTA Modulator |
YAG Laser (1064nm) |
Model 360-80 LTA Modulator |
YLF Laser (1300nm) |
Model 360-120 LTA Modulator |
Specifications of Associated Amplifiers:
Model |
Bandwidth |
Rise/Fall Time |
Max Voltage |
Diver Configuration |
Output |
ST25D |
DC-to-30MHz |
8ns |
175 |
100ohms B.L. |
Digital |
ST50 |
DC-to-50MHz |
7ns |
90 |
50ohms B.L. |
Analog |
ST100 |
DC-to-100MHz |
3.5ns |
90 |
50ohms B.L. |
Analog |
ST307A |
DC-to-50MHz |
8ns |
800 |
LC |
Digital |
Specifications of Model 305 Synchronous Countdown System:
Input Clock Rate |
Mode Locker Input, 10MHz Min, 70MHz Max; External Input, 10Hz min, 140MHz Max |
Countdown Range |
F(clock)/2 min, f(clock)/1*10^6 max |
Input-Output Jitter |
<100ps, any count |
Input Requirements |
Mode Locker Input – sine wave, -6dbm min (112mv RMS), +15dbm, max (1.3v RMS), Zi=50ohms External Input – 100mv peak min, 1.5ns min pulse width. +/- 2v peak max. Zi=50ohms Gate Input = TTL levels, min width one clock period. Burst ends one count after negativeedge of gate input signal. Zi=50ohms Single Shot Input = TTL levels, 10ns min pulse width. Zi=50ohms. |
Delay |
Variable – 0-to-8ns, 7bit digital delay line. 62ps min resolution. Controlled by linear, single turn front panel control.
Fixed – 8ns Switch selectable on front panel (in/out)
|
Outputs |
TTL – 50 ohm line driver, Voh type 2.5v into 50ohm load. Pulse width 1us type (Pulse with is se internally by discrete components). Tr, Tf, <3ns type Analog – Tr, Tf, <2ns, Unipolar 0-to-+1v fixed amplitude. Designed to drive DC coupled 50ohm load to ground. Pulse width – 8ns, set internally by 50ohm coax delay line. Sync – 50ohm TTL line driver, 1.3v into 50ohms. Negative edge. |
Threshold Adjustment |
+/- 200mv applied to input comparator via single turn front panel control. |
Input Power |
85-250VAC, 47-63Hz, 50W |
Dimensions |
133 H x 430 W x 343 D mm. Rack Mountable. 5.25” x 16.88” x 13.5” |
Weight |
Net 6.8 Kg, (15lbs) |