PM-4A True RMS Ammeter from Piela Electric, Inc.
Model PM-4A is a true RM ammeter which uses an integrated circuit to compute the true RMS value o……...

A multi-quantum cascade laser system with field-proven performance, the MIRcatTM is an improved version of the first-generation MIRcat laser. It provides higher spectral repeatability, better heat management, longer wavelength options, and high-speed tuning. Because of its flexible, modular architecture, the MIRcat is truly a one-box, fully automated system.
This allows for the factory configuration of up to four pulsed or continuous wave/pulsed modules and the freedom to add or modify them afterward. The MIRcat has a tuning range of 1000 cm-1 (>6 µm) and wavelength coverage of up to >13 µm.
It also produces unmatched, industry-leading performance in critical areas such as peak tuning speeds exceeding 30,000 cm-1/s, output power up to 1 W, and TEM00 beam quality to enable high-efficiency fiber coupling. Wavelength repeatability can approach <0.1 cm-1 and CW RIN as low as -140 dBc/Hz thanks to new, higher-precision tuning mechanisms and lower-noise drive electronics.
Highlights
Features and Benefits
Wavelength availability: 3-13 µm
Proprietary HFQD™ circuitry protects the chips
GUI and SDK command sets included
Tune up to 1000 cm-1 speeds up to 5000 cm-1/s
CW or pulsed output (up to 3 MHz/30% duty)
Superb TEM00 beam quality and low beam pointing allow fiber coupling
Ultra-quiet CW: RIN as low as -140 dBc/Hz
High output power for high SNR: to >1 W (peak) and > 0.5 W (average)
Applications
Standoff detection
Imaging
Atmospheric research
Process control
Nanoscale imaging and spectroscopy
Combustion diagnostics
TIC, VOC, and GHG chemical and biological agent detection
Biomedical diagnostics
Product Specifications
Source:DRS Daylight Solutions Inc.
| . | . |
|---|---|
| Wavelength Availability | Module options covering from < 4 µm to > 13 µm |
| Max. Tuning Speed (Step) | 250 ms step-and-settle time to arbitrary λ |
| Modes of Operation | Pulsed or CW |
| Max. Tuning Speed (Scan) | Peak velocity to > 30,000 cm-1/s |
| Available Configurations | Select 1, 2, 3 or 4 laser modules |
| Wavelength Accuracy | ≤ 1 cm-1 |
| Example Configurations | MIRcat-2400-PX-A (Pulsed, 6.5—12.4 µm)MIRcat-2400-PX-B (Pulsed, 5.5—11 µm)MIRcat-2400-PCX-B (CW/Pulsed, 6—11 µm) |
| Average Power Stability | < 3% (1 hr) |
| Tuning Modes | Set λ, Step & Measure, Continuous Scans |
| Spatial Mode | TEM00 (nominal) |
| Beam Divergence | < 4 mrad at 4 µm (full angle, 1/e2intensity width) |
| Beam Pointing Stability | < 2 mrad (beam centroid change) |
| Spot Size | < 2.5 mm (1/e2 intensity radius) |
| Polarization | Linear, vertical, > 100:1 |
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