TETA. Industrial Femtosecond Laser System
| TETA-3-HE | TETA-6 | TETA-10 | TETA-20 | |
| Maximum average output power | 3 W | 6 W | 10 W | 20 W |
| Maximum pulse energy | >2 mJ | >400 uJ | >1 mJ | |
| Minimum pulse duration1) | <270 fs | <350 fs | ||
| Pulse duration tuning range1) | <270 fs - 10 ps | <350 fs - 10 ps | ||
| Central wavelength2) (fixed) | 1033±3 nm | 1030±3 nm | ||
| M^2 | <1.15 | <1.25 | ||
| Beam diameter (at 1/e^2) | 4.5±1 mm | 3.2±0.5 mm | 5±0.5 mm | |
| Pulse repetition rate (user-adjustable) | single-shot…200 kHz (up to 1 MHz upon request) | |||
| Pre- and post-pulse contrast | >5000:1 | |||
| Long-term output stability3) | <0.5% rms over 48 h | |||
| Output polarization | linear, vertical | |||
| Spatial mode | TEM00 | |||
| Beam ellipticity4) | <10% | |||
| Beam astigmatism4) | <10% | |||
| Beam divergence (full angle) | <0.6 mrad | |||
| Beam pointing stability | <25 urad/°C | |||
| Cold start warm-up time (beam position, output power) | <40 min | |||
| Environmental and utility specifications | ||||
| Operating temperature | 15-30 °C | |||
| Relative humidity | <60%, non-condensing | |||
| Voltage | single-phase; 100-240 VAC; 50/60 Hz | |||
| Power consumption | <1.5 kW | <2 kW | ||
| Physical dimensions | ||||
| Laser head (LxWxH) | 480x250x148 mm | 550x350x148 mm | ||
| Control and power supply 19" rack (WxLxH) | 553x600x663 mm | |||
| Umbilical length | 3 m | |||
| 1) - measured with Avesta's AA-10DD-12PS interferometric autocorrelator using Gaussian fitting; motorized tunable pulse duration with PC control up to 10 ps is also installed by default; the Compulse-1030 external hollow-fiber pulse compressor with output pulse duration down to 30 fs is also available as an option; 2) - external second, third and fourth harmonic generators are available upon request; certain built-in combinations are also available; Raman shifters to 1530 nm and 1890 nm are also available; 3) - measured under stable environmental conditions; 4) - measured at maximum average power and 100 kHz repetition rate. |
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The TETA is an Yb solid-state laser system. The system comprises a built-in fiber seed oscillator, fiber pulse stretcher, Faraday isolator, CPA-based regenerative amplifier with direct diode pumping, additional pulse picker and pulse compressor. All components are integrated into a single thermostabilized box ensuring stability and true turn-key operation. The additional built-in Pockels cell offers instant output radiation shuttering as well as total user control of output repetition rate. Moreover, the cell features precise pulse picking with control over the number of fired pulses (burst mode) and temporal period of radiation.
The TETA system may be equipped with a SH, TH and FH generation units, as well as with the Compulse capillary compressor which allows to bring the pulse duration down to 30 fs with >50% energy conversion efficiency.
The TETA laser system is a reliable and flexible radiation source for femtosecond micromachining systems, terahertz imaging, OPA pumping, remote sensing and ultrafast spectroscopy.
- 1MHz: maximum pulse repetition rate extension up to 1 MHz (while maintaining maximum average power);
- Harmonics: external second, third and fourth harmonic generators are available upon request; certain built-in versions also available;
Related products
| 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 |
| Input wavelength range | 450-3200 nm |
| Pulse duration range | 10 fs - 30 ps |
| Minimum input frequency | from 10 Hz |
| Sensitivity | 100 mW^2 |
| 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% |
| Operating wavelengths | 800 and 515/1030 nm |
| Energy efficiency | up ot 40% |
| Compression ratio |
up to 15 |
| Output pulse duration (at 35 fs, 800 nm input) | <6 fs |
| 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 |
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