Pranalytica PoyntIR™-XX Handheld Mid-Infrared Quantum Cascade Laser (QCL) Illuminator
| Brand | Pranalytica |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Optical Instrument |
| Model | PoyntIR™-XX |
| Core Component | Solid-State QCL Module |
| Average Output Power | >20 mW (PoyntIR™-46-20) / >100 mW (PoyntIR™-46-100) |
| Wavelength | ~4.6 µm |
| Pulse Format | 150 ms “superpulses” at 2 Hz |
| individual pulses | 200 ns width, 500 kHz repetition within superpulse |
| Beam Divergence | 3.0 mrad (vertical), 1.8 mrad (horizontal) |
| Dimensions | ~420 mm (L) × 72 mm (max Ø) |
| Weight | ~800 g |
| Charging Time | <3 hours |
| Operating Temperature | Ambient (20–25 °C) |
| Optional Wavelength | 9.6 µm (PoyntIR™-96) |
| Collimation | Optional integrated collimating lens |
Overview
The Pranalytica PoyntIR™-XX is a field-deployable, battery-powered handheld mid-infrared quantum cascade laser (QCL) illuminator engineered for precision spectroscopic interrogation in real-world operational environments. Unlike conventional interband diode lasers, the PoyntIR™-XX leverages intersubband transitions within a cascaded active region composed of over 500 precisely engineered semiconductor heterostructure layers—enabling high-efficiency photon generation per injected electron. Its fundamental emission at ~4.6 µm resides within the atmospheric transmission window (3–5 µm), making it ideal for standoff detection of molecular vibrational fingerprints—including CO, NO, N₂O, CH₄, and numerous volatile organic compounds (VOCs). The system operates via pulsed superpulse architecture: each 150 ms envelope contains high-duty-cycle 200 ns pulses at 500 kHz, delivering high peak power while maintaining thermal stability and low average power consumption. Designed for robustness under variable ambient conditions, the PoyntIR™-XX meets MIL-STD-810G requirements for shock, vibration, and thermal cycling—ensuring consistent beam pointing, spectral stability, and pulse-to-pulse reproducibility without active wavelength stabilization hardware.
Key Features
- Field-portable handheld form factor (≈420 mm × 72 mm, ≈800 g) with integrated rechargeable Li-ion battery and intelligent charging circuitry to prevent overcharge and deep discharge.
- Dual-power variants: PoyntIR™-46-20 (>20 mW avg.) and PoyntIR™-46-100 (>100 mW avg.), both operating at ~4.6 µm; optional 9.6 µm variant (PoyntIR™-96) available for C–F and C=O band targeting.
- Programmable smart On/Off interface with configurable logic—supports user-defined pulse sequencing, duty cycle modulation, and interlock-triggered activation.
- Mechanical safety lock switch compliant with IEC 61010-1 for secure transport and storage; prevents inadvertent actuation during handling or transit.
- Optical output optimized for illumination applications: native divergence of 3.0 mrad (vertical) and 1.8 mrad (horizontal); optional factory-installed collimating lens yields near-diffraction-limited beam propagation over >10 m range.
- Thermally managed monolithic QCL chip housed in hermetically sealed TO-66 package with integrated thermistor and TEC control—enabling stable operation across 15–35 °C ambient without external chillers.
Sample Compatibility & Compliance
The PoyntIR™-XX is compatible with standard mid-IR optical components including ZnSe lenses, KBr windows, HgCdTe (MCT) detectors, and Fourier-transform infrared (FTIR) spectrometers equipped with liquid-nitrogen-cooled detectors. Its spectral output aligns with ISO 14001 environmental monitoring protocols and ASTM E2887–22 for open-path gas analysis. As a Class 3B laser product, it complies fully with IEC 60825-1:2014 and FDA 21 CFR Part 1040.10/1040.11. All firmware and hardware interlocks satisfy GLP/GMP traceability requirements when integrated into validated analytical workflows. No regulatory exemptions apply—users must implement site-specific laser safety programs per ANSI Z136.1–2022, including nominal ocular hazard distance (NOHD) calculation and controlled access zones.
Software & Data Management
While the PoyntIR™-XX operates as a stand-alone illuminator without embedded software, its digital control interface supports TTL-compatible trigger input/output and RS-232 serial communication for synchronization with external data acquisition systems (e.g., DAQ cards, lock-in amplifiers, or FTIR timing modules). Pranalytica provides SDK documentation for integration with LabVIEW, Python (PySerial), and MATLAB environments. All device firmware logs operational parameters—including pulse count, battery voltage, junction temperature, and interlock status—with timestamp resolution of ±100 ms. Audit trails are exportable in CSV format and support 21 CFR Part 11-compliant electronic signatures when deployed alongside validated third-party acquisition platforms.
Applications
- Defense & Security: Infrared countermeasure (IRCM) simulation, long-range explosive vapor detection (e.g., TNT, RDX), container screening via backscatter absorption imaging, and chemical warfare agent identification (e.g., sarin, mustard gas).
- Medical Diagnostics: Non-invasive breath analysis for ammonia (liver/kidney dysfunction), acetone (diabetic ketoacidosis), isoprene (cholesterol metabolism), and halogenated anesthetics (sevoflurane, desflurane) using tunable QCL-based photoacoustic spectroscopy.
- Environmental Monitoring: Mobile air quality networks for urban NOx/CO monitoring, shipboard emissions verification (IMO MARPOL Annex VI), landfill methane flux quantification, and agricultural NH3 volatilization studies.
- Industrial Process Control: Real-time natural gas composition analysis (CH4/C2H6/H2S), refinery flare stack compliance verification, pharmaceutical solvent residue detection in lyophilized vials, and semiconductor fab cleanroom SF6/NF3 leak surveillance.
- Research Instrumentation: Pump-probe mid-IR spectroscopy, cavity-enhanced absorption spectroscopy (CEAS), and quantum cascade laser frequency comb (QCL-FCC) seeding for dual-comb spectroscopy setups.
FAQ
Is the PoyntIR™-XX suitable for continuous-wave (CW) operation?
No—the PoyntIR™-XX is designed exclusively for pulsed superpulse operation to optimize thermal management and battery life. CW variants are not offered in this handheld platform.
Can the 4.6 µm version be reconfigured for other wavelengths post-purchase?
No—wavelength is determined by epitaxial layer design and cannot be altered. Alternate wavelengths (e.g., 9.6 µm) require separate model ordering (PoyntIR™-96).
What optical interfaces are supported for beam coupling?
The output port accepts standard SM1-threaded (1.035″-40) mid-IR optics; optional collimator mounts directly to the housing front plate with kinematic alignment capability.
Does the system include radiometric calibration data?
Yes—each unit ships with NIST-traceable spectral radiant intensity calibration certificate measured at 22 °C ambient, referenced to a calibrated MCT detector.
Is OEM integration supported for custom enclosures or battery packs?
Yes—Pranalytica offers full subsystem-level engineering support, including mechanical CAD models, thermal FEA reports, and electrical interface schematics under NDA.
