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Application: Schlieren imaging of arc welding Interest: Gas flow of protection gas, melt pool behavior, drop forming, spatter -
Popcorn is heated on a hot plate. The shades in the background is the heat that warms the popcorn. The heat is made visible with Schlieren imaging tec...
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The University of Maryland has used CAVILUX HF and CAVILUX Smart to measure hypersonic boundary-layer instability with the help of schlieren imaging t... -
Application: Schlieren imaging of TIG welding Interest: Gas flow of protection gas Frame rate: 2.000 fps
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Schlieren imaging is designed to detect changes in the refraction index of objects. CAVILUX laser illumination is an excellent choice for accurate ima...
CAVILUX® Smart UHS for Ultra-High-Speed Illumination
Powerful pulsed diode laser delivering ultra-short, high-repetition pulses up to 10 MHz. Ideal for ultra-high-speed imaging, schlieren, shadowgraphy, and materials testing.
Benefits
- High power and very short pulses down to 10 ns
- Ideal light source for schlieren and shadowgraphy applications
- Excellent for ultra-high-speed imaging with short pulses
- Versatility by varying pulse duration and repetition rate
- Monochromatic and low-coherence light
Applications
Check out how CAVILUX HF can be used in your field of industry and how our customers have used it in the following applications:
Benefits
- High power and very short pulses down to 10 ns
- Ideal light source for schlieren and shadowgraphy applications
- Excellent for ultra-high-speed imaging with short pulses
- Versatility by varying pulse duration and repetition rate
- Monochromatic and low-coherence light
Applications
Check out how CAVILUX Smart UHS can be used in your field of industry and how our customers have used it in the following applications:
- Schlieren imaging
- Materials testing (e.g. DIC, Hopkinson bar)
Do you want to know all about the system features and more of CAVILUX Smart UHS?
References
System features
Components and camera synchronisation
- System content
- Laser unit (with green laser pointer), control unit, illumination optics
- Software interface
- no software
- Possible laser units per control unit
- 1
- Synchronisation signal
- 5 V TTL
Laser unit
- Wavelengths available
- 640 nm (visible), 810 nm (invisible)
- Power available
- 200/400 W @ 640 nm, 300/500 W @ 810 nm
- Laser class
- Laser class 3B or 4 (depending on power and wavelength)
- Minimum pulse duration (at reduced peak power)
- 10 ns
- Minimum pulse duration (at full peak power)
- 30 ns
- Amount of pulses per frame possible
- 1
- Duty cycle continous operation (typically for setting up)
- 0,03 %
- Duty cycle high speed operation
- 99 %
- Duration of high speed operation
- 30 us total laser time
Versatility through changeable fiber optic illumination
- Fiber coupled illumination
- yes
- Adjustable illumination with lens (standard solution)
- yes
- Light sheet illumination
- no
Pulse duration / frequency examples
- 10 ns
- Up to 10,000,000 Hz
- 50 ns
- Up to 10,000,000 Hz
- 100 ns
- Up to 10,000,000 Hz
- 1 μs
- Up to 1,000,000 Hz
- 10 μs
- Up to 100,000 Hz
Related resources
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