Modular-Design Femtosecond Lasers for Industry and Science PHAROS Lasers

  • 100 fs – 20 ps tunable pulse duration
  • 3 mJ maximum pulse energy
  • 20 W maximum output power
  • Single-shot – 1 MHz repetition rate
  • Pulse picker for pulse-on-demand mode
  • BiBurst
  • Automated harmonic generators (up to 5th harmonic)
  • CEP stabilization option
  • Repetition rate locking to an external source

Features

  • 100 fs – 20 ps tunable pulse duration
  • 3 mJ maximum pulse energy
  • 20 W maximum output power
  • Single-shot – 1 MHz repetition rate
  • Pulse picker for pulse-on-demand mode
  • BiBurst
  • Automated harmonic generators (up to 5th harmonic)
  • CEP stabilization option
  • Repetition rate locking to an external source

PHAROS is a series of femtosecond lasers combining 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. Diode-pumped Yb medium significantly reduces maintenance costs and provides a long laser lifetime, while the robust optomechanical design enables 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 3 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, and automated harmonic modules.

Model 1) PH2-10W PH2-20W PH2-3mJ PH2-1mJ-SP PH2-2mJ-SP PH2-UP
Maximum output power 10 W 20 W 20 W 10 W 20 W 10 W / 20 W
Pulse duration 2) < 290 fs < 350 fs 3) < 190 fs < 100 fs
Pulse duration tuning range 290 fs – 10 ps
(20 ps on request)
350 fs – 10 ps (20 ps on request) 190 fs – 10 ps (20 ps on request) 100 fs – 10 ps
Maximum pulse energy 0.2 mJ / 0.4 mJ 3 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 nm ± 10 nm
Polarization Linear, horizontal
Beam quality, M2 < 1.2
Beam diameter 5) 3.6 mm / 4.3 mm 7.3 mm 5 mm 7.3 mm 5.2 mm
Beam pointing stability < 20 µrad/°C
Pre-pulse contrast < 1 : 1000
Post-pulse contrast < 1 : 200
Pulse-to-pulse energy stability 6) RMS deviation 7) < 0.5% over 24 h
Long-term power stability RMS deviation 7) < 0.5% 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 PH2-3mJ PH2-1mJ-SP PH2-2mJ-SP PH2-UP
Oscillator output Optional. Please contact sales@lightcon.com for more details or customized solutions
Typical output 1 – 6 W, 50 – 250 fs, ≈ 1035 nm, ≈ 76 MHz; available simultaneously
Harmonics generator Integrated, optional
Output wavelength 515 nm, 343 nm, 257 nm, or 206 nm
Optical parametric amplifier Integrated, optional
Tuning range 320 – 10000 nm
BiBurst mode Tunable GHz and MHz burst with burst-in-burst capability, optional
GHz-Burst
Intra burst pulse period 1) 200 ± 40 ps
Number of pulses, P 2) 1 – 25
MHz-Burst
Intra burst pulse period ≈ 15 ns
Number of pulses, N 1 – 9 (7 with FEC)
  1. Custom spacing is available on request.
  2. Maximum number of pulses in a burst depends on the laser repetition rate. Custom number of pulses are available on request.
Model PH2-10W PH2-20W PH2-3mJ 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 PH2-3mJ 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 tunable wavelength femtosecond light sources. Based on over 10 years of experience producing the ORPHEUS series of optical parametric amplifiers, this solution brings together the tunability of wavelength with the robust industrial-grade design. The I-OPA is a rugged module attachable to PHAROS lasers, providing long-term stability comparable to that of the industrial-grade harmonic generators.

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.

Insight into perovskite light-emitting diodes based on PVP buffer layer

N. Jiang, Z. Wang, J. Hu, M. Liu, W. Niu, R. Zhang, F. Huang, and D. Chen, 241, 118515 (2022).

Adenine Radical Cation Formation by a Ligand-Centered Excited State of an Intercalated Chromium Polypyridyl Complex Leads to Enhanced DNA Photo-oxidation

F. A. Baptista, D. Krizsan, M. Stitch, I. V. Sazanovich, I. P. Clark, M. Towrie, C. Long, L. Martinez‑Fernandez, R. Improta, N. A. P. Kane‑Maguire et al., (2021).

All-optical sampling of few-cycle infrared pulses using tunneling in a solid

Y. Liu, S. Gholam‑Mirzaei, J. E. Beetar, J. Nesper, A. Yousif, M. Nrisimhamurty, and M. Chini, Photonics Research 6 (9), 929 (2021).

An ultrafast vibrational study of dynamical heterogeneity in the protic ionic liquid ethyl-ammonium nitrate. I. Room temperature dynamics

C. A. Johnson, A. W. Parker, P. M. Donaldson, and S. Garrett‑Roe, The Journal of Chemical Physics 13 (154), 134502 (2021).

Biodegradable Harmonophores for Targeted High-Resolution In Vivo Tumor Imaging

A. Y. Sonay, K. Kalyviotis, S. Yaganoglu, A. Unsal, M. Konantz, C. Teulon, I. Lieberwirth, S. Sieber, S. Jiang, S. Behzadi et al., ACS Nano 3 (15), 4144-4154 (2021).

Birefringent optical retarders from laser 3D-printed dielectric metasurfaces

S. Varapnickas, S. C. Thodika, F. Moroté, S. Juodkazis, M. Malinauskas, and E. Brasselet, Applied Physics Letters 15 (118), 151104 (2021).

Charge photogeneration and recombination in ternary polymer solar cells based on compatible acceptors

R. Hu, W. Zhang, Z. Xiao, J. Zhang, X. Su, G. Wang, J. Chen, X. He, and R. Wang, Journal of Materials Science 25 (56), 14181-14195 (2021).

Comparison of growth interruption and temperature variation impact on emission efficiency in blue InGaN/GaN MQWs

J. Mickevičius, K. Nomeika, M. Dmukauskas, A. Kadys, S. Nargelas, and R. Aleksiejūnas, Vacuum 183, 109871 (2021).

Direct correlation of local fluence to single-pulse ultrashort laser ablated morphology

H. Sakurai, K. Konishi, H. Tamaru, J. Yumoto, and M. Kuwata‑Gonokami, Communications Materials 1 (2) (2021).

Direct Femtosecond Laser Fabrication of Chemically Functionalized Ultra-Black Textures on Silicon for Sensing Applications

Y. Borodaenko, S. Gurbatov, M. Tutov, A. Zhizhchenko, S. A. Kulinich, A. Kuchmizhak, and A. Mironenko, Nanomaterials 2 (11), 401 (2021).

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PHAROS Modular-Design Femtosecond Lasers for Industry and Science

Product datasheet.

Rev. 05/01/2022. Size 818 KB.

Automated Harmonic Generators for PHAROS Lasers

Product datasheet.

Rev. 05/01/2022. Size 153 KB.

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Product datasheet.

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