Laser reflective surface in gazebo

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Hi!

I wanted to simulate an object that could 'redirect' a laser ray. This is to simulate a mirror attached to the laser, that reflects a portion of the scan down, instead of forward like the rest of the rays.

This technique was used to measure the height of of indoor flying drones, like in this image (object marked as 1 and 4):

Is there a way to create an object like (4)? Thank you in advanced for any help!

Lucas