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OG-V脈沖拾取器
Compatible with Ti:S and Yb-doped 20-150 MHz ultrafast oscillators
Suitable for building Ti:S or Yb ultrafast regenerative amplifiers
Possible operating wavelengths from 200 to 2700 nm
Continuous transmission window adjustable from 20 ns to 10 us
Transmission >90%
HV amplitude up to 10 kV
Multifuntional control unit with adjustable delay generator
USB control， Windows software+LabView driver
Applications
Time-Resolved Ultrafast Studies
Pump-Probe Spectroscopy
Material and Biological Tissue Processing
Ultrafast Micromachining
Laser Systems Design， Integration and Amplification
Ultrafast Oscillator and Amplifier Pulse Selection
Injection/Ejection of Pulses in Ultrafast Amplifier Systems
Pulse Slicing for Contrast Increase
OEM Integration
Q-Switching
Ultrafast Laser Diagnostics， Accessories and Components
Novel Ultrafast Fiber Laser Development
Amplifier Design
Automation of Complex Experimental Setups
| OG-V-D | OG-V-B | OG-V-R/K | |
| Electrooptic crystal | DKDP | BBO | RTP or KTP |
| Operational wavelength range (standard models) | 510-540 nm / 700-1000 nm / 1000-1100 nm / 1250 nm | 510-540 nm / 700-1000 nm / 1000-1100 nm / 1250 nm | 1000-1100 nm / 1500-1600 nm / 1550+780 nm |
| Possible custom wavelengths | 340 to 1280 nm | 200 to 2200 nm | 1000 to 2700 nm |
| Minimum repetition rate of picked pulses | single-shot | ||
| Maximum repetition rate of picked pulses (standard models) | 1 kHz | 1 kHz / 10 kHz / 50 kHz / 100 kHz | |
| Clear aperture | 6 mm (up to 20 mm upon request) | 2.5 mm (up to 5 mm upon request) | 3.5 mm (up to 10 mm upon request) |
| HV pulse (gate) shape | quasi-rectangular | ||
| HV pulse (gate) length(at level 10%) | 20-500 ns， adjustable | 20-3000 ns， adjustable (up to 10 us upon request) | |
| Rise time(at level 10-90%) | 7 ns | ||
| Contrast(1) | >100:1(1) | >1000:1 | |
| Pockels cell voltage | up to 10 kV | up to 4 kV | |
| Optical scheme | half-wave (quarter-wave upon request) | half-wave/quarter-wave at λ<600 nm; at λ>600 nm - quarter-wave or half-wave with double crystal cell | half-wave (quarter-wave upon request) |
| Trigger | internal/external | ||
| Complete system transmission at central wavelength | >85% (PC + two Glan-Taylor prisms， default package) >90% (PC + a Glan-Taylor and a Rochon prism， upon request) >98% (Pockels cell only) | ||
| Input optical train repetition rate | 2 MHz …150 MHz with internal or external trigger with optical or electric sync to input train; 1 Hz…2 MHz only with external trigger signal(2) | ||
| Sync source for internal trigger mode | optical/electric | ||
| Additional control modes | by edge / by level / built-in burst generator with internal or external trigger | ||
| Channel delay time | 0...10 us (up to 1 ms upon request) | ||
| Cooling | passive | passive at up to 3 kHz output rate， water-cooled(3) at 10 kHz and higher | |
| (1) - energy ratio of a picked and any non-picked pulse. The given contrast values are valid for adjacent pulses. Actual contrast with DKDP crystals is defined by piezoelectric ringing effect and depends on exact operational parameters. The contrast is better when the duration of HV pulse is shorter and HV pulse amplitude is lower. (2) - when operating with 1 Hz…2 MHz input pulse train， an external trigger signal must be used. Such a signal must lead the optical pulse by 0.25-3 us， must be rigidly in sync with the pulse to be picked and must have jitter of less than 200 ps; (3) - the HV generator unit requires cooling to support operating temperature below 35°C. Water cooling is required when operating at output frequency of 10 kHz and more (water flow 1 L/min， water temp. 20-22°C， tap or building-scale supply may be also be used if permitted). Heating power to be dissipated does not exceed 80 W even at the highest frequencies (a water chiller is not included and may be supplied separately). | |||
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