LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS
Know all by these presents, that the undersigned hereby constitutes
and appoints each of Ronald Basso, Aaron L. Wax, Jeffrey W. Acre and
D. Mark McMillan, or either of them acting singly and with full power
of substitution, the undersigned's true and lawful attorney-in-fact
to:
1.	execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer or director or both of Coherent Corp. (the
"Company"), Forms 3, 4 and 5 (and any amendments thereto) in
accordance with Section 16(a) of the Securities Exchange Act of
1934, as amended (the "Exchange Act"), and the rules thereunder,
and Form 144 under the Securities Act of 1933, as amended (the
"Securities Act"), and the rules thereunder;

2.	do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and
execute any such Form 3, 4, 5 or 144, complete and execute any
amendments thereto, and timely file such form with the U.S.
Securities and Exchange Commission (the "SEC") and any securities
exchange or similar authority, including without limitation the
filing of a Form ID or any other documents necessary or appropriate
to enable the undersigned to file the Forms 3, 4, 5 and 144
electronically with the SEC;

3.	seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information on transactions in the Company's
securities from any third party, including brokers, employee
benefit plan administrators and trustees, and the undersigned
hereby authorizes any such person to release any such information
to each of the undersigned's attorneys-in-fact appointed by this
Limited Power of Attorney and approves and ratifies any such
release of information; and

4.	take any other action in connection with the foregoing which, in
the opinion of such attorney-in-fact, may be of benefit to, in the
best interest of, or legally required by or for, the undersigned,
it being understood that the documents executed by such attorney-
in-fact on behalf of the undersigned pursuant to this Limited Power
of Attorney shall be in such form and shall contain such
information and disclosure as such attorney-in-fact may approve in
such attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing
whatsoever required, necessary or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or
such attorney-in-fact's substitute or substitutes, shall lawfully do
or cause to be done by virtue of this Limited Power of Attorney and
the rights and powers herein granted.
The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request and on the behalf of the
undersigned, are not assuming, nor is the Company assuming, any of
the undersigned's responsibilities to comply with, or any liability
for the failure to comply with, any provision of Section 16 of the
Exchange Act or Rule 144 of the Securities Act.
This Limited Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4, 5 or
144 with respect to the undersigned's holdings of and transactions in
securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to each of the foregoing
attorneys-in-fact.
[Signature page follows]


IN WITNESS WHEREOF, the undersigned has executed this Limited Power
of Attorney as of this 8th of March, 2023.

Signed and Acknowledged:

/s/ Ilaria Mocciaro___________
Name: Ilaria Mocciaro




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