Modular-Design Femtosecond Lasers for Industry and Science PHAROS Lasers

  • Tunable pulse duration, 100 fs – 20 ps
  • Maximum pulse energy of up to 4 mJ
  • Down to < 100 fs right at the output
  • Pulse-on-demand and BiBurst for pulse control
  • Up to 5th harmonic or tunable extensions
  • CEP stabilization or repetition rate locking
  • Thermally-stabilized and sealed design

Features

  • Tunable pulse duration, 100 fs – 20 ps
  • Maximum pulse energy of up to 4 mJ
  • Down to < 100 fs right at the output
  • Pulse-on-demand and BiBurst for pulse control
  • Up to 5th harmonic or tunable extensions
  • CEP stabilization or repetition rate locking
  • Thermally-stabilized and sealed design

PHAROS is a series of femtosecond lasers combining multi‑millijoule pulse energy and high average power. PHAROS features a mechanical and optical design optimized for both scientific and industrial applications. A compact, thermally‑stabilized, and sealed design enables PHAROS integration into various optical setups and machining workstations. The robust optomechanical design provides an exceptional laser lifetime and stable operation in varying environments.

The tunability of PHAROS allows the system to cover applications normally requiring multiple different laser systems. Tunable parameters include pulse duration (100 fs – 20 ps), repetition rate (single-shot – 1 MHz), pulse energy (up to 4 mJ), and average power (up to 20 W).

A pulse-on-demand mode is available using the built-in pulse picker. The versatility of PHAROS can be extended by a variety of options, including carrier-envelope phase (CEP) stabilization, repetition rate locking to an external source, automated harmonic modules and optical parametric amplifiers.

Model 1) PH2-10W PH2-20W PH2-4mJ PH2-1mJ-SP PH2-2mJ-SP PH2-UP
Maximum output power 10 W 20 W 10 W 20 W 10 W / 20 W
Pulse duration 2) < 290 fs < 450 fs 3) < 190 fs < 100 fs
Pulse duration tuning range 290 fs – 10 ps
(20 ps on request)
450 fs – 10 ps 190 fs – 10 ps (20 ps on request) 100 fs – 10 ps
Maximum pulse energy 0.2 mJ / 0.4 mJ 4 mJ 1 mJ 2 mJ 0.2 mJ / 0.4 mJ
Repetition rate Single-shot – 1 MHz
Pulse selection Single-shot, pulse-on-demand, any fundamental repetition rate division
Center wavelength 4) 1030 ± 10 nm
Polarization Linear, horizontal
Beam quality, M2 < 1.2 < 1.3 < 1.2
Beam diameter 5) 3.3 ± 0.3 mm / 
4.0 ± 0.4 mm
6.6 ± 0.7 mm 4.5 ± 0.5 mm 6.6 ± 0.7 mm 4.5 ± 0.5 mm
Beam pointing stability < 20 µrad/°C
Pre-pulse contrast < 1 : 1000
Post-pulse contrast < 1 : 200
Pulse-to-pulse energy stability 6) < 0.5% RMS deviation 7) over 24 h
Long-term power stability 6) < 0.5% RMS deviation 7) over 100 h
  1. More models are available on request.
  2. Assuming Gaussian pulse shape.
  3. Pulse duration can be reduced to < 250 fs if pulse peak intensity of > 50 GW/cm2 is tolerated by customer setup.
  4. Precise wavelength for specific models are available on request.
  5. FW 1/e2, measured at laser output, using maximum pulse energy.
  6. Under stable environmental conditions.
  7. Normalized to average pulse energy, NRMSD.
Model PH2-10W PH2-20W PH2-4mJ PH2-1mJ-SP PH2-2mJ-SP PH2-UP
Oscillator output 1 – 6 W, 50 – 250 fs, ≈ 1035 nm, ≈ 76 MHz 1)
Harmonic generator 2) 515 nm, 343 nm, 257 nm, or 206 nm
Optical parametric amplifier 3) 320 – 10000 nm
BiBurst mode Tunable GHz and MHz burst with burst-in-burst capability
CEP stabilization Check options for details
Repetition rate locking
  1. Available simultaneously. Contact sales@lightcon.com for details or customized solutions.
  2. Integrated. For external harmonic generator, refer to HIRO.
  3. Integrated. For -4mJ and -UP models, as well as external OPAs, refer to ORPHEUS OPAs.
Model PH2-10W PH2-20W PH2-4mJ PH2-1mJ-SP PH2-2mJ-SP PH2-UP
Laser head (L × W × H) 1) 730 × 419 × 230 mm 843 × 492 × 250 mm 730 × 419 × 230 mm
Chiller (L × W × H) 590 × 484 × 267 mm
24 V DC power supply (L × W × H) 1) 280 × 144 × 49 mm
  1. Dimensions depend on laser configuration and integrated options.
Model PH2-10W PH2-20W PH2-4mJ PH2-1mJ-SP PH2-2mJ-SP PH2-UP
Operating temperature 15 – 30 ºC (air conditioning recommended)
Relative humidity < 80% (non-condensing)
Electrical requirements 100 V AC, 12 A – 240 V AC, 5 A; 50 – 60 Hz
Rated power 1000 W
Power consumption 600 W
Electrical requirements (chiller) 100 – 230 V AC; 50 – 60 Hz
Rated power (chiller) 1400 W
Power consumption (chiller) 1000 W

PHAROS lasers have an option for tunable GHz and MHz burst with burst-in-burst capability – called BiBurst. In standard mode, a single pulse is emitted at some fixed frequency. In burst mode, the output consists of pulse packets instead of single pulses. Each packet consists of a certain number of equally separated pulses. MHz‑Burst contains N pulses with a nanosecond period, GHz‑Burst contains P pulses with a picosecond period. If both bursts are used, the equally separated pulse packets contain sub‑packets of pulses (burst‑in‑burst, BiBurst).

PHAROS lasers equipped with automated harmonic generators (HGs) provide a selection of fundamental (1030 nm), second (515 nm), third (343 nm), fourth (257 nm), or fifth (206 nm) harmonic outputs using software control. HGs are perfect for industrial applications that require a single-wavelength output. Modules, mounted directly at the output of the laser, are fully integrated into the system.

The industrial-grade optical parametric amplifier I-OPA series marks a new era of simplicity in the world of wavelength‑tunable femtosecond sources. Based on decades of experience with optical parametric amplifiers, this solution combines wavelength tunability with robust industrial design. The I-OPA is integrated into the laser; thus, the single-box solution provides mechanical stability and eliminates the effects of air turbulence, minimizing energy fluctuations and ensuring stable long-term performance.

PHAROS lasers can be equipped with feedback electronics for carrier-envelope phase (CEP) stabilization of the output pulses. The carrier-envelope offset (CEO) of the PHAROS oscillator is actively locked to 1/4th of the repetition rate with a < 100 mrad standard deviation. The CEP stable pulses from the synchronized amplifier have a < 350 mrad standard deviation. The CEP drift occurring inside the amplifier and the user’s setup can be compensated with an out of loop f-2f interferometer, which is a part of the complete PHAROS active CEP stabilization package.

The oscillator of PHAROS laser can be customized for repetition rate locking applications. Coupled with the necessary feedback electronics, the repetition rate is synchronized to an external RF source using the two piezo stages installed inside the cavity. The repetition rate locking system can assure an integrated timing jitter of less than 200 fs for RF reference frequencies larger than 500 MHz. Continuous phase shifting is available on request.

1.3% conversion efficiency terahertz source based on lithium niobate pumped by sub-millijoule ytterbium laser

L. Guiramand, J. E. Nkeck, X. Ropagnol, T. Ozaki, and F. Blanchard, in Optica High-brightness Sources and Light-driven Interactions Congress 2022, (Optica Publishing Group, 2022).

Broadband Multidimensional Spectroscopy Identifies the Amide II Vibrations in Silkworm Films

A. S. Chatterley, P. Laity, C. Holland, T. Weidner, S. Woutersen, and G. Giubertoni, Molecules 19 (27), 6275 (2022).

Charge Photogeneration and Recombination in Fluorine-Substituted Polymer Solar Cells

R. Hu, Y. Liu, J. Peng, J. Jiang, M. Qing, X. He, M. Huo, and W. Zhang, Frontiers in Chemistry 10 (2022).

Cobalt(III) Carbene Complex with an Electronic Excited-State Structure Similar to Cyclometalated Iridium(III) Compounds

N. Sinha, B. Pfund, C. Wegeberg, A. Prescimone, and O. S. Wenger, Journal of the American Chemical Society 22 (144), 9859-9873 (2022).

Dopamine Photochemical Behaviour under UV Irradiation

A. Falamaş, A. Petran, A. Hada, and A. Bende, International Journal of Molecular Sciences 10 (23), 5483 (2022).

Enhanced transfer efficiency of plasmonic hot-electron across Au/GaN interface by the piezo-phototronic effect

Y. Zhu, C. Deng, C. He, W. Zhao, Z. Chen, S. Li, K. Zhang, and X. Wang, Nano Energy 93, 106845 (2022).

Exciton-Like and Mid-Gap Absorption Dynamics of PtS in Resonant and Transparent Regions

J. Huang, N. Dong, N. McEvoy, L. Wang, H. Wang, and J. Wang, Laser &amp$\mathsemicolon$ Photonics Reviews, 2100654 (2022).

Highly Efficient Quasi-2D Green Perovskite Light-Emitting Diodes with Bifunctional Amino Acid

C. Liu, Y. Liu, S. Wang, J. Liang, C. Wang, F. Yao, W. Ke, Q. Lin, T. Wang, C. Tao et al., Advanced Optical Materials, 2200276 (2022).

Highly nonlinear dipolar exciton-polaritons in bilayer MoS2

B. Datta, M. Khatoniar, P. Deshmukh, F. Thouin, R. Bushati, S. D. Liberato, S. K. Cohen, and V. M. Menon, Nature Communications 1 (13) (2022).

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PHAROS Modular-Design Femtosecond Lasers for Industry and Science

Product datasheet.

Rev. 05/01/2023. Size 0.9 MB.

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