8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (date of earliest event reported): July 7, 2003

COHERENT, INC.

(Exact name of registrant as specified in its charter)

Delaware	000-05255	94-1622541
(State or other jurisdiction of incorporation)	(Commission File No.)	(IRS Employer Identification Number)
5100 Patrick Henry Drive Santa Clara, CA 95054
(Address of principal executive offices)
(408) 764-4000
(Registrant’s telephone number, including area code)

TABLE OF CONTENTS

Item 7.	Financial Statements and Exhibits
Item 9.	Information Being Furnished Under Item 12
SIGNATURES
EXHIBIT INDEX
EXHIBIT 99.1

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ITEM 7.          Financial Statements and Exhibits

(c) Exhibits.

Exhibit No.	Description
99.1	Press release of Coherent, Inc. issued on July 7, 2003

ITEM 9.          Information Being Furnished Under Item 12.

This information, furnished under this “Item 9. Regulation FD Disclosure,” is intended to be furnished under “Item 12. Disclosure of Results of Operations and Financial Condition” in accordance with SEC Release No.33-8216.  The information in this report shall not be deemed to be “filed” for purposes of Section 18 of, or otherwise regarded as filed under, the Securities Exchange Act of 1934, as amended, or incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such a filing.

On July 7, 2003, Coherent, Inc. (“Registrant”) issued a press release regarding revisions to its financial guidance for the fiscal quarter ending June 28, 2003.  A copy of the press release is furnished as Exhibit 99.1 to this report.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:    July 8, 2003
	COHERENT, INC.
	By:	/s/ Helene Simonet
	Helene Simonet
	Executive Vice President and
	Chief Financial Officer

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INDEX TO EXHIBITS

Exhibit No.	Description
99.1	Press release of Coherent, Inc. issued on July 7, 2003.

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EX-99.1

Exhibit 99.1

*coherent	PRESS RELEASE
EditorialContact:	For Release:
Leen Simonet	IMMEDIATE
(408) 764-4161	July 7, 2003
	No. 833

Coherent, Inc. Updates Guidance for the Third Fiscal Quarter 2003

Coherent, Inc. (NASDAQ:COHR) today updated financial guidance for its third fiscal quarter ending June 28, 2003 following today’s announcement by its subsidiary Lambda Physik AG.  Due to the continued weakness in demand from Lambda Physik’s industrial customers in Asia as well as continued weakness in Lambda Physik’s lithography business, Lambda Physik announced revenues for the third quarter of approximately $15.5 million.  Coherent now expects consolidated revenues of approximately $98 million to $101 million for the third fiscal quarter ended June 28, 2003.  This revision to financial guidance updates Coherent’s announcement of June 2, 2003.

Coherent will report its third quarter results on Tuesday July 22, 2003 at approximately 4:00 pm. ET.  The Company will provide a live webcast of its third fiscal quarter 2003 earnings conference call, scheduled at 4:30 pm. ET the same day.  The call will be broadcast live over the Internet and can be accessed at http://www.coherentinc.com/Investors/ or http://www.companyboardroom.com/.

This press release contains forward looking statements about the continued weakness experienced by Lambda Physik’s Asian customers as well as continued weaknessin its lithography business, and statements relating to expectations about revenue in the third fiscal quarter.  These may change as a result of risks and uncertainties, including risks associated with currency adjustments, accounting adjustments during the closing of our fiscal quarter, contract cancellations, and other risks identified in the Company’s filings with the Securities Exchange Commission.  Actual results, events and performance may differ materially.  Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof.  The Company undertakes no obligation to release publicly the result of any revisions to these forward-looking statements that may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

Readers are encouraged to refer to the risk disclosures described in the Company’s reports on Forms 10-K, 10-Q and 8-K, as applicable.

Founded in 1966, Coherent, Inc is a Standard & Poor’s Small Cap 600 company and a world leader in providing photonics based solutions to the commercial and scientific research markets.  Please direct any questions to Leen Simonet, Chief Financial Officer at 408-764-4161.  For more information about Coherent such as product and financial updates, visit the Company’s web site at www.coherentinc.com.

•5100 Patrick Henry Dr. ^. P. O. Box 54980, Santa Clara, California  95056–0980 ^. Telephone (408) 764-4000•