Lasers for PIV applications
Lasers for PIV applications (PIV - Particle Image Velocimetry)
Features
- Safety pipe connections ensure proper water circulation, water level and temperature
- No external cooling water connection required, the system is fully automatic
- External operation via TTL interface.
- Resonator structure with kinematic support provides long-term thermal and mechanical stability.
- Excellent beam quality, low jitter
- Each oscillator has the radius, size, symmetry and energy to match the system.
Surelite PIV series features
- Its robust mechanical structure guarantees long-term stability
- TTL / RS232 interface
Minilite PIV Series features
- Small structure that can be mounted in any orientation
- Adjustable attenuator to control the output power
- The complete unit takes up very little space
Applications
Surelite PIV
The Surelite PIV system is based on Continuum's proven Q-switch Nd:YAG technology. The system is a small, turnkey device that delivers a few hundred mJ of energy per pulse at a wavelength of 532 nm.
Minilite PIV
The Minilite PIV system is based on Continuum's proven Q-switch Nd:YAG technology. The system is a miniaturized Surelite device that delivers tens of mJ of energy per pulse at 532 nm wavelength.
Surelite PIV technical parameters
| Parameter | SL I PIV | SL II PIV | SL III PIV |
| Repetition rate (Hz) | 10/15 | 10 | 10 |
| Energy1 (mJ) | |||
| 1064 nm | 450/400 | 650 | 825 |
| 532 nm | 200/170 | 270 | 380 |
| Pulse width2 (nsec) | |||
| 1064 nm | 5-7 | 5-7 | 4-6 |
| 532 nm | 4-6 | 4-6 | 3-5 |
| Line width (cm-1) | 1 | 1 | 1 |
| Divergence3 (mrad) | 0.5 | 0.5 | 0.5 |
| Radius for target holding stability (±μrad) | 100 | 100 | 100 |
| Crystal diameter (mm) | 6 | 7 | 9.5 |
| Jitter4 (±ns) | 0.5 | 0.5 | 0.5 |
| Energy stability5 (±%) | |||
| 1064 nm | 2.0;0.7 | 2.0;0.7 | 2.5;0.8 |
| 532 nm | 3.5;1.2 | 3.5;1.2 | 3.5;1.2 |
| Performance change (drift)6 (±%) | |||
| 1064 nm | 3.0 | 3.0 | 3.0 |
| 532 nm | 5.0 | 5.0 | 5.0 |
| Spatial radius profile (fit to Gaussian)7 | |||
| nearby (<1M) | 0.7 | 0.7 | 0.7 |
| remote (∞) | 0.95 | 0.95 | 0.95 |
| Max. deviation from the Gaussian distribution8 (±%) | |||
| nearby (<1M) | 30 | 30 | 30 |
Comments
1. Higher energy version available in the Powerlite series
2. Overall width, half max. ax.
3. Total angle to 86% (1/e2)
4. External trigger equivalent
5. The first value corresponds to 99.9% of pulses and the second value to the RMS value
6. Average for 8 hours
7. The least square sum that approximates the Gaussian profile. The perfect match would be at coefficient 1
8. In the middle of the beam
The specification applies at 1064 nm if no other wavelength is specified. All parameters are subject to change through continuous development and improvement, without prior notification.
Minilite PIV technical parameters
| Parameter | ML PIV |
| Repetition rate (Hz) | 1-15 |
| Energy (mJ) | |
| 1064 nm | 50 |
| 532 nm | 25 |
| Pulse width1 (nsec) | |
| 1064 nm | 4-6 |
| 532 nm | 3-5 |
| Divergence2 (mrad) | <3 |
| Crystal diameter (mm) | 3 |
| Jitter3 (±ns) | 0.5 |
| Energy stability4 (±%) | |
| 1064 nm | 2.0;0.7 |
| 532 nm | 3.0;1.0 |
| Spatial radius profile (fit to Gaussian)5 | |
| nearby (<1M) | 0.70 |
| remote (∞) | 0.95 |
Comments
1. Overall width, half max. ax.
2. Total angle to 86% (1/e2)
3. External trigger equivalent
4. The first value corresponds to 99.9% of the consecutive pulses and the second value to the RMS value
5. The least square sum that approximates the Gaussian profile. The perfect match would be at coefficient 1
The specification applies at 1064 nm if no other wavelength is specified. Through continuous further development and improvement, all parameters are subject to change without prior notification.
Minilite PIV