An optical fiber for use with a laser device including a source of light energy, as well as a method of making same, where the optical fiber has a proximal end in communication with the light source and a distal end positionable at a treatment site. The optical fiber includes: a core having a proximal portion, a distal portion and a distal face proximate the distal end of the optical fiber, a layer of cladding radially surrounding the core from the core proximal portion to a designated point adjacent the core distal portion; a sleeve radially surrounding the cladding layer composed essentially of a predetermined type of material; and, a tip diffuser positioned at the distal end of the optical fiber.

 
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< Method and device for adapting/tuning signal transit times on line systems or networks between integrated circuits

< External cavity organic laser

> Off-resonance mid-IR laser desorption ionization

> Semiconductor laser element having end-facet protection layer which includes unoxidized or unnitrided first sublayer formed on end facet and second sublayer produced by oxidizing or nitriding the surface of the first sublayer

~ 00289