Attached files

file filename
10-K - ROFIN SINAR TECHNOLOGIES INCc63463_10-k.htm
EX-31.2 - ROFIN SINAR TECHNOLOGIES INCc63463_ex31-2.htm
EX-31.1 - ROFIN SINAR TECHNOLOGIES INCc63463_ex31-1.htm
EX-32.2 - ROFIN SINAR TECHNOLOGIES INCc63463_ex32-2.htm
EX-32.1 - ROFIN SINAR TECHNOLOGIES INCc63463_ex32-1.htm
EX-21.1 - ROFIN SINAR TECHNOLOGIES INCc63463_ex21-1.htm
EX-23.1 4 c63463_ex23-1.htm

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-13075, 333-103145 and 333-157973 on Form S-8 of our report dated November 30, 2010, relating to the financial statements and financial statement schedule of Rofin-Sinar Technologies Inc., and the effectiveness of Rofin-Sinar Technologies Inc.’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Rofin-Sinar Technologies Inc. for the year ended September 30, 2010.

/s/ Deloitte & Touche LLP
Detroit, MI
November 30, 2010