Exhibit 23.02


Consent of Ernst & Young LLP, Independent Auditors


We consent to the reference to our firm under the captions "Laser Power
Corporation Selected Historical Financial Data" and "Experts" in the
Registration Statement (Form S-4) and related Prospectus of II-VI Inc. for the
registration of shares of its common stock and to the inclusion therein of our
report dated December 4, 1999 (except for Note 10, as to which the date is July
12, 2000), with respect to the consolidated financial statements of Laser Power
Corporation included in its Annual Report (Form 10-K) for the year ended
September 30, 1999 filed with the Securities and Exchange Commission.

                                                          /s/ Ernst & Young LLP


San Diego, California
July 12, 2000