Par公司的低频高能量CO2脉冲激光器具有波长可调，脉冲能量高，脉冲宽度短，高峰值功率，高平均功率，寿命长等特点，可以用于激光雷达，激光超声非接触式检测，激光产生自由电子，高能物理等应用。
| Model | HP10/2.5 | HP20/5 |
| Wavelength (µm) | 9.2 - 10.8 | 9.2 - 10.8 |
| Repetition rate (Hz) | 10 | 20 |
| Pulse energy - Multimode (J) | 0.25 | 0.25 |
| Pulse energy - TEMoo (J) | 0.1 | 0.1 |
| Average output power - Multimode (W) | 2.5 | 5 |
| Average output power - TEMoo (W) | 1 | 2 |
| Pulse width - FWHM of initial spike (ns) | 50 - 150 | 50 - 150 |
| Output stability (1 sigma) | <4% | <4% |
| Jitter (1 sigma) | <10ns | <10ns |
| Beam height - Multimode (mm) | 9 | 9 |
| Beam width - Multimode (mm) | 9 | 9 |
| Beam Quality factor (M2) - Multimode | 2月4日 | 2月4日 |
| Beam waist - TEMoo (mm) | 4.5 | 4.5 |
| Beam Quality factor (M2) - TEMoo | 1月2日 | 1月2日 |
| Maximum Operating pressure (atm) | 10 | 10 |
| Dimensions (L x W x H) | 1.2m x 1.1m x 1.0m | 1.2m x 1.1m x 1.0m |
| Weight - including transformer oil (kg) | 1500 | 1500 |
| Gas load lifetime for closed loop system | >100,000,000 pulses | >100,000,000 pulses |
| Electrical voltage | 208V, 230V 50/60Hz | 208V, 230V 50/60Hz |
| Phase | Single phase | Single phase |
| Pulse Circuit | Thyratron switched | Thyratron switched |
| Pre-ionisation | Spark pre-ionised | Spark pre-ionised |
| Cooling services | ||
| Temperature stabilised, closed loop chilled water supply with temperature at 18°C, with a heat removal capacity of: | 2.5kW | 3kW |
| Optional extras | Agile wavelength tuner Manual wavelength tuner | |
| High energy physics Laser pulse amplification Isotope separation | ||
| Typical applications | ||