EXHIBIT 23.1 CONSENT OF KPMG LLP The Board of Directors Cell Robotics International, Inc. We consent to the use of our report included herein and to the reference to our firm under the heading "Experts" in the prospectus. Our report dated February 22, 2002, contains an explanatory paragraph that states that the Company has suffered recurring losses and negative cash flows from operations which raise substantial doubt about its ability to continue as a going concern. The consolidated financial statements do not include any adjustments that might result from the outcome of that uncertainty. /s/ KPMG LLP Albuquerque, New Mexico January 21, 2003