Halite 2: All-Fiber Amplified Femtosecond Oscillator

Key Features of the Halite 2 Femtosecond Fiber Laser

• Compact all-fiber femtosecond laser: Single-box, turn-key ultrafast laser source designed for reliable daily use in neuroscience, biophotonics, microscopy, and engineering laboratories.
• High-power 1030 nm output: Delivers > 2 W average power at 1030 ± 5 nm, making it suitable for demanding ultrafast optics, multiphoton microscopy, and nonlinear imaging applications.
• High pulse energy performance: Provides > 100 nJ pulse energy at a 20 ± 2.5 MHz base repetition rate for efficient excitation and strong nonlinear signal generation.
• Short femtosecond pulse duration: Standard pulse width is < 250 fs FWHM, with an optional < 100 fs short-pulse configuration for applications requiring higher peak power and enhanced temporal resolution.
• Optional 515 nm second harmonic output: Halite 2 SHG configuration provides 515 ± 2.5 nm output with > 500 mW average power, > 25 nJ pulse energy, and < 230 fs pulse duration for green ultrafast excitation.
• SESAM-free laser technology: Built with a robust SESAM-free architecture for superior lifetime, improved reliability, and reduced maintenance compared with many conventional femtosecond laser designs.
• Excellent beam quality: Engineered to provide a clean, high-quality beam profile for precise coupling into microscopes, optical setups, scanners, and commercial instrumentation.
• Computer-controlled GDD precompensation: Includes motorized group delay dispersion tuning from -50,000 to +10,000 fs², factory preset for optimized pulse delivery through optical systems.
• Stable ultrafast performance: Typical power stability features NRMSE = 0.39%, supporting long-duration imaging, spectroscopy, and experimental workflows.
• Air-cooled operation: No external water chiller required, simplifying installation and reducing overall system footprint and maintenance requirements.
• Industrial-grade compact design: Small footprint of 370 mm x 222 mm x 100 mm and lightweight 9 kg construction enable easy integration into OEM systems, research platforms, and microscopy workstations.
• Low power consumption: Operates from a universal 100–240 VAC, 50–60 Hz supply with an 80 W adapter power rating, ideal for laboratory and integrated system environments.
• Integrated laser control software: Supplied with software for convenient system monitoring and laser control, supporting turn-key operation and simplified user interaction.
• Designed for advanced microscopy: Well suited for two-photon microscopy, multiphoton imaging, fluorescence excitation, optogenetics, FLIM, and nonlinear optical microscopy.
• Versatile ultrafast laser source: Ideal for biophotonics, spectroscopy, materials research, microprocessing, ultrafast optics, seed laser applications, and scientific instrumentation.
• Reliable laboratory femtosecond laser: Combines high average power, high pulse energy, short pulse duration, compact packaging, and all-fiber stability in a cost-effective ultrafast laser platform.
• Operating environment: Designed for use at 20–28 °C in non-condensing humidity conditions, supporting stable performance in standard laboratory environments.

Applications for Halite 2 Compact Femtosecond Fiber Laser

• Multiphoton microscopy: Ideal ultrafast light source for two-photon microscopy, three-photon microscopy research, deep-tissue imaging, and high-resolution nonlinear optical microscopy using 1030 nm femtosecond pulses.
• Neuroscience imaging: Designed for advanced neuroscience applications including in vivo brain imaging, neuronal activity studies, calcium imaging, optogenetics support, and functional imaging in biological tissue.
• Biophotonics research: Suitable for ultrafast excitation in biophotonics, bioimaging, photobiology, and biomedical optics where stable femtosecond pulses and excellent beam quality are required.
• Two-photon excitation fluorescence microscopy: Enables efficient two-photon excitation of fluorescent probes, proteins, and dyes, especially for microscopy systems optimized around 1030 nm excitation.
• Second harmonic generation microscopy: The optional 515 nm output supports SHG imaging, nonlinear contrast microscopy, collagen imaging, tissue structure analysis, and label-free biological imaging.
• Fluorescence lifetime imaging microscopy: Well suited for FLIM systems requiring a reliable high-repetition-rate femtosecond fiber laser with stable pulse timing and turnkey operation.
• Nonlinear optical microscopy: Applicable for harmonic generation imaging, nonlinear fluorescence imaging, multiphoton absorption studies, and other nonlinear microscopy techniques.
• Supercontinuum generation: High pulse energy and femtosecond pulse duration make Halite 2 suitable for pumping photonic crystal fibers and nonlinear fibers for broadband supercontinuum generation.
• Ultrafast spectroscopy: Supports pump-probe spectroscopy, transient absorption measurements, time-resolved photoluminescence, carrier dynamics studies, and other femtosecond spectroscopy experiments.
• Photostimulation and optogenetics: Useful for precise optical stimulation in neuroscience and cell biology, including experiments requiring tightly focused ultrafast laser pulses.
• Femtosecond laser micromachining: Suitable for precision micromachining of metals, polymers, glass, ceramics, semiconductors, and thin films where low thermal damage and high beam quality are important.
• Laser microfabrication: Enables ultrafast laser processing, microstructuring, surface texturing, drilling, cutting, and patterning for research and engineering laboratories.
• Transparent material processing: Can be used for internal modification, microchannel fabrication, waveguide writing, and localized refractive index changes in glass and other transparent materials.
• Thin-film ablation and scribing: Applicable for precise removal, patterning, trimming, and scribing of thin films used in photonics, electronics, displays, sensors, and photovoltaic research.
• Semiconductor and photonics R&D: Supports ultrafast laser experiments in semiconductor characterization, photonic device testing, nonlinear device studies, and laser-material interaction research.
• Optical frequency conversion: The 1030 nm output can be used for nonlinear frequency conversion experiments, while the optional 515 nm second harmonic output expands compatibility with green-light applications.
• OPO and OPA seeding or pumping: Suitable for select optical parametric oscillator and optical parametric amplifier configurations requiring a compact femtosecond pump or seed source.
• Terahertz generation research: Can be used in ultrafast optics laboratories for THz generation and detection experiments using suitable nonlinear crystals or photoconductive devices.
• Coherent Raman and nonlinear spectroscopy: Applicable in advanced spectroscopy platforms including nonlinear Raman techniques, coherent light-matter interaction studies, and femtosecond excitation experiments.
• Time-resolved material characterization: Enables investigation of ultrafast processes in materials, nanostructures, thin films, quantum materials, and photonic systems.
• Laser-induced breakdown and ablation studies: Useful for laboratory-scale studies of femtosecond laser ablation, plasma formation, threshold measurements, and laser-material interaction dynamics.
• Precision metrology and ultrafast optics: Suitable for autocorrelation measurements, dispersion studies, pulse characterization, optical alignment, and femtosecond laser system development.
• Integration into commercial microscopy systems: