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CONSENT OF DELOITTE & TOUCHE LLP, INDEPENDENT AUDITORS
We consent to the incorporation by reference in this Registration Statement of Coherent, Inc. on Form S-8 of our report dated October 29, 2001, appearing in the Annual Report on Form 10-K of Coherent, Inc. for the year ended September 29, 2001.
/s/ Deloitte & Touche LLP
San Jose, California
April 8, 2002
CONSENT OF DELOITTE & TOUCHE LLP, INDEPENDENT AUDITORS