¥1 - 5万
阿维斯塔
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OG-F-D-...、OG-B-D-/B-B-...、OG-B-R/K-...
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欧洲
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OG-B/F 脉冲拾取器
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
Rise time down to 700 ps
Excellent contrast ratio of >1500:1
Transmission of complete system >90%
Multifuntional control unit with adjustable delay generator
USB control, Windows software+LabView driver
Applications
Time-Resolved Ultrafast Studies
| OG-F-D-... | OG-B-D-... | OG-B-B-... | OG-B-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 | from 340 to 1280 nm | from 200 to 2200 nm | from 1000 to 2700 nm | |
| Minimum repetition rate of picked pulses | single-shot | |||
| Maximum repetition rate of picked pulses (standard models) | 1 kHz | 3 kHz / 10 kHz / 50 kHz / 100 kHz | 3 kHz / 10 kHz / 50 kHz / 100 kHz / 200 kHz / 1 MHz | |
| Clear aperture | 6 mm | 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 | bell-shaped | |||
| HV pulse (gate) length (at level 10%) | 3 ns | 8 ns | ||
| Rise time (at level 10-90%) | 700 ps | 3.5 ns | ||
| Fall time (at level 90-10%) | 2 ns | 3.5 ns | ||
| Contrast(1) | >1500:1 | >700:1 | >800:1 | |
| Pockels cell voltage | up to 10 kV | up to 4 kV | up to 3 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)(3) | 0...1 us (up to 5 us upon request)(3) | ||
| Cooling | passive at up to 3 kHz output rate, water-cooled(4) 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; (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) - maximum channel delay time is defined by maximum repetition rate of picked pulses and cannot exceed the temporal distance between adjacent pulses at this frequency; (4) - 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); | ||||
