Amplitude Systems YUJA Ultra-Compact High-Pulse-Energy Femtosecond Laser
| Brand | Amplitude Systems |
|---|---|
| Origin | France |
| Model | YUJA |
| Type | Industrial-grade femtosecond oscillator with optional harmonic generation and OPA integration |
| Pulse Energy | Up to >10 µJ (configurable) |
| Repetition Rate | Adjustable up to 40 MHz |
| Pulse Duration | <500 fs (standard), optionally <100 fs with nonlinear compression |
| Output Wavelength | Fundamental IR (~1030–1050 nm), optional SHG (515–525 nm) and THG (343–350 nm) |
| Beam Quality | M² < 1.2 |
| Stability | RMS power fluctuation < 0.5% over 8 h |
| Cooling | Air-cooled or optional water-cooling |
| Footprint | < 280 × 220 × 120 mm |
| Compliance | CE, RoHS, IEC 60825-1:2014 Class 4 laser product |
Overview
The Amplitude Systems YUJA is an ultra-compact, industrial-grade femtosecond laser oscillator engineered for high-reliability integration into automated manufacturing and advanced research environments. Operating on the principle of mode-locked solid-state (Yb-doped) gain media, the YUJA delivers sub-500 fs pulses with exceptional temporal contrast and amplitude stability—enabling precision ablation, cold processing, and nonlinear excitation with minimal thermal diffusion. Its design prioritizes deterministic pulse-to-pulse energy consistency and low timing jitter (<100 fs RMS), critical for synchronized scanning, multi-beam parallel processing, and pump-probe spectroscopy. Unlike conventional Ti:sapphire systems, the YUJA employs a monolithic, alignment-free cavity architecture with integrated dispersion management, ensuring long-term operational robustness without periodic realignment—a key requirement for 7×24 production cells and GLP-compliant laboratories.
Key Features
- FemtoBurst™ Superpulse Train Mode: Programmable burst sequences with user-defined pulse count (1–20), intra-burst spacing (25–100 ns), and inter-burst repetition rate—optimized for glass cutting, surface texturing, and stress-controlled micromachining.
- FemtoTrig™ Single-Pulse Selection: Hardware-level external TTL triggering with sub-nanosecond latency, enabling precise pulse-on-demand operation for gated imaging, time-resolved diagnostics, and adaptive process control.
- SuperSync Control Interface: Low-jitter (1 m/s) vector scanning applications.
- Harmonic Generation Options: Integrated or add-on SHG (515–525 nm) and THG (343–350 nm) modules compliant with ISO 11146 beam parameter standards; output power stability maintained within ±0.3% over 12 hours.
- Industrial Packaging: Sealed, vibration-damped chassis with IP52-rated enclosure; operating ambient range: 15–30 °C, humidity: 20–70% RH non-condensing; MTBF > 20,000 hours under continuous operation.
Sample Compatibility & Compliance
The YUJA is validated for direct processing of transparent dielectrics (fused silica, sapphire, borosilicate glass up to 700 µm thickness), semiconductors (Si, GaAs, SiC), polymers (PI, PET, PC), and biomedical substrates (corneal tissue, hydrogels). Its pulse parameters comply with ASTM F2796-21 (laser-based medical device safety) and ISO 13697:2022 (laser beam characterization for material processing). As a Class 4 laser product, it meets IEC 60825-1:2014 requirements, including embedded interlock circuits, emission indicators, and key-controlled access per EN 61511 for functional safety in integrated machinery. Documentation supports FDA 21 CFR Part 11 compliance when paired with audit-trail-enabled control software.
Software & Data Management
Control is executed via Amplitude’s proprietary FemtoControl™ GUI (Windows/Linux), supporting SCPI command set for OEM integration. Real-time monitoring includes pulse energy (via internal pyroelectric sensor), repetition rate, cavity temperature, and cooling status—with logging at 10 Hz resolution. All operational parameters are timestamped and exportable in HDF5 format for traceability. Firmware updates follow secure signed-package protocols; configuration backups support version-controlled restoration. Optional API integration enables bidirectional communication with MES/SCADA platforms (OPC UA, Modbus TCP) for Industry 4.0 process validation.
Applications
- Industrial Microfabrication: Single-pass glass dicing (display cover glass, optical filters), via drilling in PCBs and IC substrates, waveguide inscription in lithium niobate, and selective layer removal in thin-film photovoltaics.
- Scientific Research: Pump-probe transient absorption spectroscopy, terahertz generation (0.1–10 THz bandwidth), coherent anti-Stokes Raman scattering (CARS) microscopy, and attosecond pulse train seeding.
- Medical Device Manufacturing: Precision stent cutting (CoCr, NiTi), ophthalmic lens surface structuring, and bioresorbable polymer scaffold ablation—validated per ISO 10993-5 cytotoxicity and ISO 13485 QMS requirements.
- Advanced Metrology: Calibration source for autocorrelators and FROG devices; reference oscillator for optical frequency combs traceable to NIST/PTB primary standards.
FAQ
What is the typical pulse energy stability specification for the YUJA under continuous operation?
RMS pulse energy fluctuation is ≤0.4% over 8 hours at full rated output, measured with a calibrated thermopile sensor traceable to NPL standards.
Can the YUJA be synchronized with third-party scanning systems?
Yes—via the SuperSync output (LVDS/TTL), with jitter <50 ps relative to master clock; compatible with Cambridge Technology, SCANLAB, and Aerotech motion controllers.
Is remote firmware update supported?
Firmware updates require authenticated local USB connection; no remote update capability is implemented for security and regulatory compliance (IEC 62304 Class B).
Does the system include beam diagnostics?
Standard configuration includes integrated beam profiler (CMOS-based) with M² calculation per ISO 11146-1, plus real-time pointing stability monitoring (±1.5 µrad over 24 h).
What documentation is provided for GMP/GLP environments?
Factory acceptance test (FAT) report, IQ/OQ protocols, calibration certificates (NIST-traceable), and full electronic device history file (eDHF) are included upon request.
