Method of manufacture of a flexible waveguide helical for a laser beam, and the flexible waveguide corresponding

摘要

According to this method; - a support blank 2 is produced, consisting of a tubular portion which bears a helical projection 3 having an arched cross-section; - the concave face 4 of this blank is coated; and - a helical cut 6 is made in the coated blank, between the turns of the helical projection. IMAGE