CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS We have issued our report dated March 6, 1997, accompanying the consolidated financial statements and included in the Annual Report of INRAD, Inc. on Form 10-K for the year ended December 31, 1996. We hereby consent to the incorporation by reference of said report in the Registration Statements of INRAD, Inc. on Form S-8 (SEC File No. 333-17883, effective December 13, 1996). GRANT THORNTON LLP Parsippany, New Jersey March 6, 1997