Exhibit 21.1

Subsidiaries of Registrant

Company Name	Jurisdiction
Domestic Subsidiaries:
Birch Nantucket Holding Company, LLC (inactive)	Delaware
Newport Domestic International Sales Corporation (inactive)	California
Newport European Distribution Company	California
Newport Finance Company I, LLC	Delaware
Newport Finance Company II, LLC	Delaware
Newport Government Systems, Inc. (inactive)	California
Newport Inspection Holdings, Inc. (inactive)	Michigan
Newport Precision Optics Corporation (inactive)	New York
Spectra-Physics Optics Corporation (inactive)	California
Unique Equipment Co. (inactive)	Arizona
Foreign Subsidiaries:
Hilger Analytical Limited (indirect; inactive)	United Kingdom
Micro Controle Finance Holding 1 (indirect)	France
Micro Controle Finance Holding 2 (indirect)	France
Micro Controle Holdings Ltd. (inactive)	United Kingdom
Micro Controle Ltd. (indirect; inactive)	United Kingdom
Micro Controle Spectra-Physics S.A.S.	France
Micro Controle UK Ltd. (indirect; inactive)	United Kingdom
MRSI Asia Pte. Ltd.	Singapore
Newport Corporation (Barbados) SRL (inactive)	Barbados
Newport Instruments Canada Corporation	Canada
Newport Opto-Electronics Technologies (Wuxi) Company Limited	China
Newport Spectra-Physics B.V.	Netherlands
Newport Spectra-Physics GmbH (indirect)	Germany
Newport Spectra-Physics Ltd.	United Kingdom
Spectra-Physics K.K.	Japan
Spectra-Physics Lasers Limited (indirect; inactive)	United Kingdom
Spectra-Physics Limited (indirect; inactive)	United Kingdom
Wuxi Newport Opto-Electronics Technologies Co. Ltd. (indirect)	China