e424b3
 

PROSPECTUS SUPPLEMENT NO. 6
(To Prospectus Dated April 25, 2007)
  Filed Pursuant to Rule 424(b)(3)
Registration No. 333-142362
NEWPORT CORPORATION
$175,000,000
2.50% Convertible Subordinated Notes due 2012 and
Common Stock Issuable upon Conversion of the Notes
     This prospectus supplement supplements information contained in that certain prospectus dated April 25, 2007 of Newport Corporation (the “Company”), relating to the offer and sale from time to time of up to $175,000,000 of the Company’s 2.50% Convertible Subordinated Notes due 2012, or the notes, and 7,277,567 shares of the Company’s outstanding common stock that are issuable upon conversion of the notes, which are held by certain securityholders named in the prospectus under the section entitled “Selling Securityholders”. This prospectus supplement is not complete without, and may not be delivered or utilized except in connection with, the prospectus, including any amendments or supplements thereto.
     The following table amends and supplements the information set forth in the prospectus under the caption “Selling Securityholders” with respect to the selling securityholders named below and the respective notes and shares of common stock beneficially owned by such selling securityholders that may be offered pursuant to the prospectus:
                                         
                    Shares of           Shares of
    Principal           Common           Common
    Amount of           Stock   Conversion   Stock
    Notes           Beneficially   Shares of   Beneficially
    Beneficially   Percentage   Owned Prior   Common   Owned After
Name of   Owned and   of Notes   to the Offering   Stock Offered   Completion of
Selling Securityholder   Offered   Outstanding   (1)(2)   (2)   the Offering
Fore Convertible Master Fund Ltd.
  $ 8,001,000       4.57 %     332,730       332,730        
Fore ERISA Fund Ltd.
  $ 1,695,000       *       70,488       70,488        
*   Less than 1%
 
(1)   Includes shares of common stock issuable upon conversion of the notes.
 
(2)   Assumes a conversion rate of 41.5861 shares per $1,000 principal amount of notes and a cash payment in lieu of any fractional interest.
The date of this prospectus supplement is February 13, 2008.