Ti:Sapphire Amplified Laser System Cortes by Hengjiu
| Brand | Hengjiu |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Cortes |
| Pricing | Upon Request |
| Pulse Energy | 1 nJ (at 800 nm) |
| Pulse Duration (FWHM) | < 50 fs |
| Tuning Range | 750–850 nm |
| Repetition Rate | 10–1000 Hz (selectable at 50/100/1000 Hz) |
| Pump Laser | 532 nm, < 200 ns pulse width, 10 mJ per pulse |
| Output Energy | Up to 0.5 mJ (after amplification) |
Overview
The Cortes Ti:Sapphire Amplified Laser System is a high-performance, chirped-pulse amplification (CPA) laser platform engineered for ultrafast science applications requiring femtosecond temporal resolution and broad near-infrared tunability. Built around a mode-locked Ti:sapphire oscillator and regenerative amplifier architecture, the system delivers transform-limited pulses with durations under 50 fs across a continuous tuning range from 750 to 850 nm. Its core optical design adheres to strict CPA principles—employing diffraction gratings for pulse stretching and recompression—to preserve spectral phase integrity and maximize peak power. The system is pumped by a Q-switched, frequency-doubled Nd:YAG laser operating at 532 nm with sub-200 ns pulses and up to 10 mJ energy, enabling stable amplification to output energies of up to 0.5 mJ at 1 kHz repetition rate or lower-energy, higher-stability operation at 50/100 Hz. Designed for integration into vacuum-compatible, alignment-sensitive experimental setups, the Cortes platform meets the demanding spatial coherence, pointing stability, and pulse-to-pulse energy reproducibility requirements of advanced photonic research.
Key Features
- Regenerative amplifier architecture with Ti:sapphire crystal gain medium for high-gain, low-noise amplification
- Integrated broadband oscillator delivering <40 fs seed pulses at 800 nm with 1 nJ energy
- Adjustable repetition rate selection: 50 Hz, 100 Hz, or 1000 Hz—optimized for signal-to-noise ratio vs. data acquisition speed trade-offs
- Grating-based stretcher-compressor pair with precision kinematic mounts for minimal group delay dispersion (GDD) residual
- Beam pointing stability <10 µrad RMS over 8 hours; energy stability <1.5% RMS (1σ) over 1 hour
- Front-panel and remote (RS-232/Ethernet) control interfaces compliant with SCPI command set
- Interlock-ready design meeting IEC 60825-1:2014 Class 4 laser safety requirements
Sample Compatibility & Compliance
The Cortes system is not a sample-contacting instrument but serves as a primary excitation source in pump-probe, nonlinear optical, and time-resolved measurement configurations. It is compatible with standard ultrafast optics components—including hollow-core fibers, beta-barium borate (BBO) crystals for harmonic generation, gas cells for HHG, and vacuum beamlines for XUV experiments. All optical paths are designed for compatibility with UHV environments (<1×10⁻⁷ mbar) when equipped with optional vacuum feedthroughs. The laser platform conforms to international regulatory frameworks for laboratory laser systems: it carries CE marking per EU Directive 2014/35/EU (Low Voltage Directive) and 2014/30/EU (EMC Directive); complies with ANSI Z136.1–2022 for safe use in academic and industrial research settings; and supports audit-ready documentation packages aligned with GLP and ISO/IEC 17025 quality management systems.
Software & Data Management
System operation is managed via the proprietary Cortes Control Suite—a cross-platform application (Windows/Linux/macOS) providing real-time monitoring of pump diode current, cavity alignment status, compressor grating angle, and pulse energy feedback from an integrated calibrated photodiode. All operational parameters—including repetition rate, Pockels cell timing, and energy attenuation settings—are logged with timestamped metadata in HDF5 format, ensuring traceability for publication-grade data workflows. The software supports API-level integration (Python/C++ SDKs) for synchronization with external devices such as delay stages, CCD detectors, or lock-in amplifiers. Audit trail functionality records user login sessions, parameter changes, and emergency stop events—fully compliant with FDA 21 CFR Part 11 requirements when deployed in regulated analytical laboratories.
Applications
- Ultrafast transient absorption and fluorescence upconversion spectroscopy
- Time-resolved photoelectron spectroscopy (TR-PES) and angle-resolved measurements
- High-harmonic generation (HHG) and attosecond pulse synthesis in noble gases
- Two-photon and multi-photon microscopy in live-tissue imaging
- Laser-induced breakdown spectroscopy (LIBS) and filamentation-based remote sensing
- Pump-probe studies of carrier dynamics in 2D materials and perovskite semiconductors
- Coherent anti-Stokes Raman scattering (CARS) and stimulated Raman scattering (SRS) microscopy
- Atmospheric LIDAR using resonance-enhanced multiphoton ionization (REMPI)
FAQ
What is the typical pulse energy stability at 1000 Hz operation?
Energy stability is specified as ≤1.5% RMS over one hour under thermal equilibrium conditions, measured with a calibrated pyroelectric sensor traceable to NIST standards.
Can the system be upgraded to include optical parametric amplification (OPA)?
Yes—the Cortes platform features standardized beam height (100 mm), M6 mounting threads, and 120 mm clear aperture at the amplifier output, enabling straightforward integration of third-party OPA modules with minimal realignment.
Is vacuum compatibility available as a factory option?
Vacuum-rated versions—including sealed housing, CF-63 flanges, and bake-out–compatible optical mounts—are available upon request with lead-time extension.
Does the system support external triggering and synchronization?
The amplifier includes TTL-compatible trigger inputs for master-slave configuration, with jitter <200 ps RMS relative to the pump laser sync output.
What maintenance is required during routine operation?
No consumables or scheduled maintenance are required within the first 12 months; annual alignment verification and compressor grating cleaning are recommended per ISO 10110-7 guidelines.
