A probe detachably connected to an optical measurement apparatus includes: a fiber that emits light by the optical measurement apparatus, and outputs reflected light and/or scattered light from an object to be measured a covering member that covers a side face of the fiber a cap that covers a distal end of the probe a standard object that is provided on a surface of the cap facing the distal end of the fiber and that is used in calibration measurement by light emitted from the distal end of the fiber an adhesive member that adheres the cap to the distal end of the probe and is made of an adhesive material a heat-generating portion that generates heat to be applied to the adhesive member and a thermal conduction portion that conducts heat that decreases the adhesive strength of the adhesive material with respect to the covering member.
