A laser microjet is actually a drinking water-jet-guided laser by which a pulsed laser beam is coupled into a low-strain h2o jet. That is used to perform laser slicing features though using the water jet to guideline the laser beam, very similar to an optical fiber, via full internal reflection. https://martinghdbx.ampedpages.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-cnc-machines-for-plastics-industry-62680622