JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 19, NO. 9, SEPTEMBER 2001 1385 Errata___________________________________________________________________________________________ Correction to “Application of Multiple Scales Analysis and the Fundamental Matrix Method to Rugate Filters: Initial and Two-Point Boundary Problem Formulations” Mohammed Bataineh and Omar Rafik Asfar In a previously published paper by Bataineh and Asfar, 1 Fig. 5 should appear as shown here. The phase factor due to the first-order expansion in (39) that multiples the scale should be multiplied by . In other words, the parameter in (40) should be multiplied by in order to obtain the correct form of Fig. 5 as shown here. The corrected figure is in agreement with the conclusion stated in the paper that the second-order expansion eliminates the spectral shift introduced by the first-order expansion shown in Fig. 3. Manuscript received June 25, 2001. The authors are with Hijawi Faculty for Engineering Technology, Yarmouk University, Irbid 21163, Jordan. Publisher Item Identifier S 0733-8724(01)08853-3. 1 M. Bataineh and O. R. Asfar, J. Lightwave Technol., vol. 18, pp. 2217–2223, Dec. 2000. Fig.5. Normalized phase error for first- and second-order multiple scales expansions. 0733–8724/01$10.00 © 2001 IEEE

Errata - Correction to "Application of multiple scales analysis and the fundamental matrix method to Rugate filters: initial and two-point boundary problem formulations"

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JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 19, NO. 9, SEPTEMBER 2001 1385

Errata___________________________________________________________________________________________

Correction to “Application of Multiple Scales Analysis andthe Fundamental Matrix Method to Rugate Filters: Initial

and Two-Point Boundary Problem Formulations”

Mohammed Bataineh and Omar Rafik Asfar

In a previously published paper by Bataineh and Asfar,1 Fig. 5should appear as shown here. The phase factor due to the first-orderexpansion in (39) that multiples the scale z1 should be multiplied by�. In other words, the parameter s in (40) should be multiplied by � inorder to obtain the correct form of Fig. 5 as shown here. The correctedfigure is in agreement with the conclusion stated in the paper that thesecond-order expansion eliminates the spectral shift introduced by thefirst-order expansion shown in Fig. 3.

Manuscript received June 25, 2001.The authors are with Hijawi Faculty for Engineering Technology, Yarmouk

University, Irbid 21163, Jordan.Publisher Item Identifier S 0733-8724(01)08853-3.

1M. Bataineh and O. R. Asfar, J. Lightwave Technol., vol. 18, pp. 2217–2223,Dec. 2000.

Fig.5. Normalized phase error for first- and second-order multiple scalesexpansions.