Exhibit 99.1


                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
                       AS ADOPTED PURSUANT TO SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly Report of APA Optics, Inc. (the "Company") on
Form 10-Q for the period ending December 31, 2002, as filed with the Securities
and Exchange Commission on the date hereof (the "Report"), I, Anil K. Jain,
Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Sec.
1350, as adopted pursuant to Sec. 906 of the Sarbanes-Oxley Act of 2002, that:

1.   The  Report fully complies with the requirements of Sections 13(a) or 15(d)
     of  the  Securities  Exchange  Act  of  1934;  and

2.   The  information contained in the Report fairly represents, in all material
     respects, the financial condition and results of operations of the Company.

Signature: /s/ Anil K. Jain
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Print Name: Anil K. Jain
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Print Title: Chief Executive Officer
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