Oxxius SLIM-532 Single Longitudinal Mode DPSS Laser
| Origin | France |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SLIM-532 |
| Price | Upon Request |
| Wavelength | 532 nm ±1 nm |
| Linewidth | <1 MHz |
| Coherence Length | >50 m |
| Output Power | 50–300 mW |
| Beam Diameter | 0.7 mm (1/e², at 50 mm from aperture) |
| Beam Divergence | 1.0 mrad (1/e², full angle, far field) |
| Beam Quality | TEM₀₀, M² < 1.1 |
| Power Stability | ±1% p-p (over 8 h, ±3 °C) |
| Optical Noise | <0.2% RMS (10 Hz – 2 MHz) |
| Polarization Ratio | >100:1 (vertical ±3°) |
| Pointing Stability | <5 µrad/°C |
Overview
The Oxxius SLIM-532 is a compact, diode-pumped solid-state (DPSS) laser engineered for applications demanding exceptional spectral purity, long coherence length, and high spatial mode fidelity. Operating at a fundamental wavelength of 532 nm, it delivers true single longitudinal mode (SLM) output via a monolithic, alignment-free resonator architecture—patented by Oxxius and realized through optical contacting technology. This fully integrated cavity eliminates mechanical drift pathways, resulting in intrinsic immunity to thermal gradients and external vibrations. Unlike conventional SLM lasers relying on active stabilization or intra-cavity etalons, the SLIM-532 achieves passive, long-term frequency stability through its low-loss, rigid fused-silica monolith. Its 50 m coherence length make it suitable for interferometric metrology, heterodyne detection, and phase-sensitive spectroscopy where temporal coherence directly governs measurement resolution and signal-to-noise ratio.
Key Features
- Monolithic, alignment-free resonator fabricated via optical contacting—no adhesives, no adjustable optics, no periodic realignment required
- Passive thermal and mechanical stability: pointing stability <5 µrad/°C; power stability ±1% peak-to-peak over 8 hours within ±3 °C ambient variation
- TEM₀₀ output with M² < 1.1, beam diameter 0.7 mm (1/e²) at 50 mm from aperture, and divergence of 1.0 mrad (full angle, far field)
- Vertical linear polarization with extinction ratio >100:1, angular tolerance ±3°
- Low-intensity noise: <0.2% RMS (10 Hz – 2 MHz), enabling quantitative fluorescence lifetime and photon correlation measurements
- Compact OEM-ready housing (120 × 80 × 40 mm) with integrated TEC control, analog/digital modulation inputs, and RS-232 communication interface
Sample Compatibility & Compliance
The SLIM-532 is designed for integration into regulated and research-grade optical systems requiring traceable performance and long-term repeatability. Its passive resonator architecture complies with ISO 10110-7 (laser beam quality) and meets the optical stability prerequisites defined in ASTM E2750 for Raman spectrometer excitation sources. The laser operates within Class 3B safety limits per IEC 60825-1:2014 and includes interlock-compatible shutter control and emission indicator circuitry. While not certified under FDA 21 CFR Part 11, its digital control log and hardware-based power monitoring support GLP/GMP-aligned validation protocols when deployed in QC laboratories for material identification, pharmaceutical polymorph analysis, or semiconductor defect mapping.
Software & Data Management
Oxxius provides the Lasea™ control suite—a cross-platform application supporting remote configuration, real-time power logging, temperature monitoring, and fault diagnostics. All operational parameters (output power, head temperature, driver current, and status flags) are timestamped and exportable in CSV format. For automated workflows, the laser supports SCPI-compliant commands over RS-232 or USB-Virtual COM, enabling seamless integration with LabVIEW, Python (PySerial), MATLAB, or custom DAQ environments. Audit trails—including user-initiated power changes and thermal setpoint adjustments—can be enabled to satisfy internal QA documentation requirements. No cloud connectivity or telemetry is implemented; all data remains local unless explicitly exported by the user.
Applications
- Raman spectroscopy: Narrow linewidth minimizes excitation-induced fluorescence background; high coherence enables spatially resolved confocal Raman imaging
- Fluorescence excitation: Low RMS noise preserves quantum yield fidelity in single-molecule detection and FRET assays
- Holographic data storage: >50 m coherence length supports multi-layer interference pattern recording with sub-100 nm depth resolution
- Interferometric sensing: Used in fiber-optic gyroscopes, displacement metrology, and optical coherence tomography (OCT) reference arms
- Photoluminescence mapping: Enables carrier lifetime extraction in perovskite thin films and 2D materials via time-resolved PL
- Confocal microscopy: TEM₀₀ beam profile ensures diffraction-limited spot size and uniform Airy disk intensity distribution
FAQ
Is the SLIM-532 compliant with laser safety standards for integration into OEM instruments?
Yes—it conforms to IEC 60825-1:2014 Class 3B requirements and includes hardware interlock capability, emission indicator LED, and key-controlled enable/disable functionality.
Can output power be modulated externally?
Yes—via analog voltage input (0–5 V = 0–100% power) or TTL-compatible digital modulation up to 100 kHz bandwidth.
What is the expected lifetime under continuous operation?
Rated for >20,000 hours MTBF when operated within specified thermal and electrical conditions (20–25 °C ambient, stable line voltage).
Does the laser require warm-up time to achieve spectral stability?
No active warm-up is needed—the monolithic cavity reaches thermal equilibrium within 90 seconds; full spectral and power stability is achieved within 5 minutes of cold start.
Is beam height and orientation adjustable post-installation?
The standard version features fixed beam exit geometry (0.7 mm diameter, centered 22 mm above baseplate); kinematic mounts or OEM-customized baseplates are available upon request.

