EXHIBIT 23.01 CONSENT OF INDEPENDENT AUDITORS ------------------------------- We hereby consent to the incorporation by reference in Registration Statements No. 33-19511, No. 33-38019 and No. 33-19510 on Form S-8 of our report dated August 19, 1995, appearing in this Annual Report on Form 10-K of II-VI Incorporated for the years ended June 30, 1995 and 1994. Alpern, Rosenthal & Company Pittsburgh, Pennsylvania September 13, 1995