Kokyo High-Power Beam Profiler DV-HP Series
| Brand | Kokyo |
|---|---|
| Origin | Asia |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | DV-HP Series |
| Beam Diameter Range | 2 µm – 800 mm |
| Wavelength Range | 190 nm – 16 µm |
| Power Density Range | 0.001 W/m² – 100 kW/m² |
| Software & Hardware Customization | Available |
| Compliance | ISO 11146-1:2022, ISO 13694:2022, ANSI Z136.1-2022 |
| Core Components | Thermally Stabilized CMOS/InGaAs Sensor Array, Water-Cooled Aperture Module, Precision Attenuation Stack |
Overview
The Kokyo DV-HP Series High-Power Beam Profiler is an engineered optical metrology system designed for quantitative characterization of high-energy continuous-wave (CW) and pulsed laser beams in industrial, scientific, and defense applications. It operates on the principle of direct-imaging beam profiling combined with calibrated attenuation and thermal management architecture—enabling accurate spatial intensity distribution capture without sensor saturation or thermal drift. Unlike low-power CCD-based profilers, the DV-HP Series integrates actively cooled aperture modules and multi-stage neutral-density filtering to maintain linearity across power densities from milliwatt-per-square-meter to 100 kW/m². This ensures traceable measurement of critical beam parameters—including beam diameter (D4σ, knife-edge, ISO 11146-compliant), centroid position, ellipticity, and peak-to-valley flatness—under real-world operating conditions where thermal lensing, air turbulence, and mechanical vibration influence beam propagation. The system is optimized for lasers used in materials processing (e.g., fiber-delivered kW-class YAG and disk lasers), LIDAR transmitter validation, free-space optical communications, and high-energy physics diagnostics.
Key Features
- Thermally stabilized imaging core with active water-cooling loop (±0.1 °C regulation) to suppress thermal blooming during extended exposure
- Multi-spectral sensor configuration: switchable CMOS (190–1100 nm), InGaAs (900–1700 nm), and microbolometer (1.5–16 µm) modules with auto-calibrated spectral response curves
- ISO 11146-1:2022 compliant M² measurement capability via automated z-scan mode with motorized translation stage (repeatability ±1.5 µm)
- Real-time beam stability analysis: RMS pointing jitter, centroid drift (sub-pixel resolution), and temporal intensity variance over user-defined time windows (10 ms to 1 hour)
- Modular optical path design supporting multi-camera synchronization (up to 4 units) for simultaneous near-field/far-field or orthogonal-plane acquisition
- Integrated beam divergence calculation using dual-plane profiling (input/output planes at variable separation distances)
Sample Compatibility & Compliance
The DV-HP Series accommodates collimated, focused, and divergent beams from solid-state, fiber, diode, CO₂, and quantum cascade lasers. It supports beam diameters ranging from micron-scale semiconductor laser outputs (e.g., VCSEL arrays) to meter-scale excimer or synchrotron-derived beams. All optical components meet RoHS and REACH directives. Measurement traceability is maintained through NIST-traceable calibration certificates for pixel pitch, responsivity, and attenuation factors. System firmware and data logging comply with FDA 21 CFR Part 11 requirements for electronic records and signatures when configured with audit trail and user-role access control. Full documentation aligns with GLP/GMP laboratory practices for QC/QA environments in laser manufacturing and medical device R&D.
Software & Data Management
BeamStudio Pro v5.2 software provides a deterministic, scriptable interface for acquisition, analysis, and reporting. It includes built-in routines for ISO-compliant beam parameter extraction, statistical process control (SPC) charting, batch report generation (PDF/CSV/XML), and export to MATLAB, Python (via native .h5 support), and LabVIEW. Raw image data is stored with embedded metadata (timestamp, sensor temperature, filter position, laser ID, operator tag). Audit logs record all parameter changes, calibration events, and user actions with digital signature verification. Optional cloud synchronization enables secure remote review and cross-site comparison of beam performance trends across distributed facilities.
Applications
- Qualification of kW-class industrial cutting/welding lasers per ISO 11554 standards
- LIDAR transmitter beam uniformity and divergence verification for autonomous vehicle safety certification
- M² and BPP validation of ultrafast amplifier systems prior to nonlinear frequency conversion
- Beam homogenization assessment in UV lithography illumination systems
- Thermal lensing quantification in high-repetition-rate DPSS lasers under sustained operation
- Multi-aperture beam combining alignment optimization in coherent beam combining (CBC) architectures
FAQ
What is the maximum average power the DV-HP Series can measure without damage?
The standard water-cooled aperture module supports up to 500 W average power with appropriate beam expansion; custom configurations accommodate >2 kW via reflective beam dumps and cryo-cooled sensor mounts.
Does the system support real-time M² measurement during laser operation?
Yes—automated z-scan mode acquires 15+ beam profiles within 90 seconds while maintaining active focus tracking and thermal compensation.
Can BeamStudio Pro generate reports compliant with ISO/IEC 17025 accredited labs?
Yes—report templates include uncertainty budgets per GUM (JCGM 100:2008), calibration history linkage, and digital signature fields for authorized sign-off.
Is remote operation supported over Ethernet or fiber?
Full TCP/IP control is available via GigE Vision protocol; optional fiber-optic isolation kits enable operation in EMI-sensitive environments such as RF test chambers or particle accelerators.
