Scanning real-time autocorrelators with fast delay line facilitate pulse duration measurement of various ultrafast laser oscillators and high-repetition-rate amplifiers.
Diagnostics and components
| Input wavelength range | 450-3200 nm |
| Pulse duration range | 10 fs - 30 ps |
| Minimum input frequency | from 10 Hz |
| Sensitivity | 100 mW^2 |
Scanning interferometric autocorrelator with a fast delay line is designed for usage in multiphoton microscopy applications. The unit is equipped with both internal and external photodetector units and is capable of pulse duration measurement at sample position.
| Input wavelength range | 450-2000 nm |
| Input pulse duration range | 20 fs - 12 ps |
| Min. input rep. rate | from 10 kHz |
| Sensitivity | 100 mW^2 |
Scanning autocorrelator with a long delay line driven by a step motor is suitable for characterization of femtosecond and picosecond laser sources covering various combinations of input pulse parameters and wavelengths from visible into MIR.
| Input wavelength range | 450 nm - 11 um |
| Input pulse duration range | 50 fs - 250 ps |
| Minimum input rep. rate | from 10 Hz |
| Sensitivity | from 1 W^2 |
This single-shot autocorrelator family is designed to measure a wide range of laser sources from ultrafast oscillators to amplifiers in single-shot and multiple shot accumulation mode. The system is also indispensable for real-time control and alignment of low repetition rate amplifier systems.
| Wavelength range | 400-2200 nm |
| Pulse duration range | 5 fs...20 ps |
| Repetition rate | single-shot...150 MHz |
| Sensitivity | 1 uJ in single-shot mode |
The unit is designed for measurements of spectral phase and spectral intensity of femtosecond pulses.
| Input spectral range | 550-1100 nm |
| Input pulse duration range | 5-320 fs |
| Input sensitivity | 100 mW at 100 MHz; 1 uJ in single-shot mode |
| Input pulse repetition rate | any |
The device is used to measure contrast of femtosecond pulses and to determine pulse pedestal, pre- and post-pulses, as well as amplified spontaneous emission (ASE) in femtosecond amplifier systems.
| Possible input wavelength range | 700-1500 nm |
| Scan range | up to 4 ns |
| Dynamic range | 10^10 |
| Sensitivity | 50-100 uJ |
The ASP-150 unit with longer focal length is designed for a wide variety of spectroscopy tasks. The ASP-150T model has a special tuning mechanism that allows making high-resolution measurements in a wide spectral range.
| Spectral range | 190-1100 nm |
| Spectral resolution | up to 0.017 nm |
| Dynamic range | 1000:1 |
| Focal length | 150 mm |
A series of infrared spectrometer models with a scanning mechanism that allows IR range measurements without the need of an expensive CCD-array.
| Possible spectral range | 500-3450 nm |
| Spectral resolution | down to 0.5 nm |
| Scanning speed | 400 nm/s |
| Input | free-space and fiber-coupled |
Optical attenuators are used to attenuate laser radiation in a controlled manner. Models with thin-film polarizers, Glan prisms or polarizing beamsplitter cubes are available. The units are motorized or manually driven.
| Operating wavelength | 250...2000 nm |
| Transmission | >90% |
| Dynamic range | >10^2 |
| Damage threshold | up to 10 J/cm^2 |
| Clear aperture | up to 15 mm |
Prism dispersion compensator provides extensive control over the duration of femtosecond optical pulses by introducing user-defined amount of second-order group velocity dispersion (GVD) into the optical scheme.
| Possible wavelength range | 700-1600 nm |
| GVD range at 800 nm | from -13800 to +16500 fs^2 |
| Transmission | >90% |
| Input beam diameter | up to 4 mm |
Optical Faraday isolators and rotators for optical feedback elimination and protection of sensitive and feedback-susceptible devices.
| Wavelength | 400-1250 nm |
| Clear aperture | up to 20 mm |
| Peak isolation | up to 60 dB |
| Transmission | up to 92% |
| Damage threshold | up to 5 J/cm^2 |
Second optical harmonic generators (SHG) are used for upconversion (doubling) of the fundamental frequency of femtosecond laser radiation.
| Input wavelength range | 720-1600 nm |
| Output wavelength range | 360-800 nm |
| Conversion efficiency | 20-50% |
| Input pulse energy | up to 10 mJ |
Second and third harmonic (SH and TH) generators are used for conversion of femtosecond laser radiation by doubling and tripling of its optical frequency.
| Input wavelength range | 750-1600 nm |
| SH output wavelength | 375-800 nm |
| TH output wavelength | 250-533 nm |
| Conversion efficiency | SH: 20-50%; TH: 3-15% |
Second and fourth harmonic (SH and FH) generators are used for wavelength conversion of ultrafast laser output.
| Input wavelength range | 820-1600 nm |
| SH output wavelength | 410-800 nm |
| FH output wavelength | 205-400 nm |
| Conversion efficiency | SH: 20-50%; FH: 3-10% |
Second, third and fourth harmonic (SH, TH and FH) generator is used for wavelength conversion of ultrafast laser radiation.
| Input wavelength range | 780-1600 nm |
| SH output wavelength | 390-800 nm |
| TH output wavelength | 260-533 nm |
| FH output wavelength | 195-400 nm |
| Conversion efficiency | SH: 30-60%; TH: 5-10%; FH: 1-10% |
A multipurpose re-configurable PLL-based platform that is suitable for various phase locking applications.
| Input frequency signal | up to 2.8 GHz |
| PID bandwidth | up to 2 MHz |
| High-voltage amplifier for PZT | up to 50 W |
| PZT modulation bandwidth | up to 200 kHz |
Compact optical modulator featuring a precision multiturn resistor for adjustment of the modulation frequency and a sync output.
| Modulation frequency | 6-6300 Hz |
| Accuracy of frequency setting | 1 Hz |
Electro-optic pulse picker systems with fixed gate open time are used to select single pulses from a train of femtosecond pulses for numerous applications. The systems are also used for injection/ejection purposes in an ultrafast laser amplifier system, as well as for amplifier contrast improvement.
| Possible operating wavelength range | 200...2700 nm |
| Max. output rep. rate | up to 1 MHz |
| Rise time | down to 700 ps |
| Clear aperture | up to 20 mm |
| Contrast ratio | >1500:1 |
The OG-V ultrafast pulse selector series have adjustable transmission gate time for selection of groups of adjacent pulses from a train of femtosecond pulses.
| Possible operating wavelength range | 200-2700 nm |
| Max. output rep. rate | up to 100 kHz |
| Rise time | 7 ns |
| Gate open time (adjustable) | from 20 ns to 10 us |
| Contrast ratio | >1000:1 |
Supercontinuum generators for femtosecond lasers based on highly nonlinear photonic crystal fibers.
| Pump wavelength | 800 nm |
| Conversion efficiency | up to 60% |
| Spectrum (at -20 dB) | 380-1050 nm |
High-intensity THz pulsed radiation generator pumped by commercial Ti:S ultrafast amplifiers.
| Spectral range | 0.5-2.5 THz |
| THz pulse duration | <1 ps |
| THz pulse energy | up to 1 uJ |
| Focused THz field strength | up to 1 MV/cm |
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