The HELIOS series high-power femtosecond solid-state lasers combine semiconductor direct pumping and chirped pulse amplification technology, offering a flexible parameter range. The output single-pulse energy can reach up to >2 mJ, with a shortest pulse width of <200 fs, and an electrically adjustable range up to 10 ps. The fundamental wavelength is centered at 1030 nm, and frequency conversion allows for outputs at 515 nm, 347 nm, and 258 nm. Users can select different repetition rates and software-controlled output energies based on specific applications.
Parameter | HELIOS-10W | HELIOS-10W-HE | HELIOS-20W | HELIOS-20W-HE | HELIOS-40W |
Maximun output power | 10W | 10W | 20W | 20W | 40W |
Maximun single pulse energy | 400μJ | 1mJ | 400uJ | 2mJ | 400uJ |
Pulse duration | <250fs | ||||
Pulse Width Adjustment range | 250fs-10ps | ||||
Repetition Frequency range | 25kHz-100kHz | 10kHz-100kHz | 50kHz-100kHz | 10kHz-100kHz | 100kHz-1MHz |
Pulse selection | Selectable within single shot to ~100 kHz | Selectable within single shot to ~100 MHz |
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Central wavelength | 1030±10nm | ||||
Polarization | Linear polarization, vertical | ||||
Beam quality | M² <1.3 | ||||
Beam diameter | 5±1mm | ||||
Pulse pointing stability | < 20 µrad/℃ | ||||
Pre-pulse contrast | <1:1000 | ||||
Post-pulse contrast | <1:500 | ||||
Pulse energy stability | <1% RMS @8h | ||||
Long-term power stability | <0.5% RMS @24h | ||||
Dimensions (L×W×H) | 661×400×220mm(L×W×H) | 840×565×288mm(L×W×H) | |||
Weight (kg) | 75kg | 95kg | |||
Expansion Options | |||||
Harmonic output | Integrable,515 nm, 343 nm, 257 nm | ||||
Optical parametric amplification output |
Integrable,315-16000nm | ||||
MPC short pulse output | Integrable, output pulse width <45 fs, energy transmission efficiency >90% | ||||
Power supply requirements | Laser head:AC 220V/10A Chiller:220V/0.6-7.7A/1.26kW |
Laser head:AC 220V/10A Chiller:AC 220V/10A |

HELIOS series typical spectrum (FWHM = 10.8 nm)

Typical pulse width of the HELIOS series (FWHM = 242.2 fs)

HELIOS series M² measurement data (M² < 1.3)

HELIOS-10W power stability RMS = 0.46% @ 24h (10W/400μJ/25kHz)

HELIOS-20W-HE power stability RMS = 0.133% @ 24h (20W/2mJ/10kHz)

HELIOS-20W-HE 24H pointing stability <15 µrad/°C 400 µJ/50 kHz/257 fs

Near-field beam spot

Far-field beam spot

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