Abstract: A component for a laser tool, the component comprising: a tubular body defining an internal channel and an aperture; and a window disposed across the aperture and bonded to the tubular body around the aperture, wherein the window is diamond, and wherein the tubular body comprises a material having a coefficient of linear thermal expansion ? of 14×10?6 K?1 or less at 20° C. and a thermal conductivity of 60 Wm?1K?1 or more at 20° C.

Abstract: A component for an optical probe, the component comprising: a tubular body defining an internal channel and an opening; a mounting ring which is mounted within the internal channel and configured to define an aperture aligned with the opening; and a window disposed across the aperture and bonded to the mounting ring around the aperture, wherein the window is diamond, wherein the mounting ring comprises a material having a coefficient of linear thermal expansion a of 14×10?6 K?1 or less at 20° C. and a thermal conductivity of 60 Wm?1K?1 or more at 20° C., and wherein the tubular body is made of a chemically inert material.

Abstract: A component for an optical probe, the component comprising: a tubular body defining an internal channel and an opening; a mounting ring which is mounted within the internal channel and configured to define an aperture aligned with the opening; and a window disposed across the aperture and bonded to the mounting ring around the aperture, wherein the window is diamond, wherein the mounting ring comprises a material having a coefficient of linear thermal expansion a of 14×10?6 K?1 or less at 20° C. and a thermal conductivity of 60 Wm?1K?1 or more at 20° C., and wherein the tubular body is made of a chemically inert material.