Importance

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Abstract

The present application discloses various embodiments of an apparatus configured to measure characteristics of a beam of laser energy. In one embodiment, the apparatus includes a housing having a first compartment and a second compartment formed therein. Optical modules having optical sensors configured to measure characteristics of the beam of laser energy are mounted in the first compartment. A removable and replaceable beam dump configured to absorb most of the beam is positioned in the second compartment. The housing may include a housing member positioned between the first and second compartments, to reduce the transfer of thermal energy between them. The removability/replaceability of the beam dump enables operation of the apparatus without active cooling of the beam dump assembly, simplifying the apparatus and protecting the optical sensors in the first compartment.

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First Claim