Channel Dimensions

With one 30-second acquisition, a device can be characterized using a Zeta 3D optical profiler for microfluidics. Channel width and depth are easily measured. The profile of a channel can also be determined to evaluate the degree of bowing along the channel length.

Measure open and closed microfluidic devices with Zeta 3D optical profiler

Microfluidic open well dimensions analyzed using a Zeta 3D optical profiler

For example, the X and Y dimensions of an open well structure, shown here next to a covered channel, can quickly and accurately be determined.

The width, depth and amount of bow determine the flow rate through a microfluidic device. Area roughness and volume measurements can also be quantified. These analyses are quickly calculated with 3D images from the Zeta optical profiler.

In addition, it is obvious if a sealed device is leaking as the change in refractive index is apparent due to the surface focusing technology of the Zeta profiler.


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