We demonstrate two simple and inexpensive methods of using the force exerted by the light transmitted through an optical fiber to center a lens on the fiber core with submicrometer accuracy. By choosing the appropriate lens one can either focus, collimate, or defocus the light emerging from the fiber. We discuss extensions of this technique to a wider variety of lenses and light sources, including semiconductor lasers.
This commentary reflects on the chapter by Stephanie Patterson and Pamela Block and the chapter by Saira A. Mehmood (Chatpers 6 and 14, respectively) to discuss the need for a more critical lens on disability when approaching research, vulnerability, and consent.
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