Exhibit 23.1

                        Consent of Arthur Andersen LLP

    As independent public accountants, we hereby consent to the incorporation
by reference in this registration statement of our report dated March 2, 2001
included in the FLIR Systems, Inc. Form 10-K for the year ended December 31,
2000 and to all references to our Firm included in this registration statement.

                                          /s/ ARTHUR ANDERSEN LLP

Portland, Oregon
December 7, 2001