OE

曹老师，魏来：

我看了意见，修改后是可能接受的。

修改主要是引言部分加入更多文献和说明，以及魏来设计的公式（7）-（9）的说明。其它按照

意见改好就可。魏来按照审稿意见先改起来吧。第二条意见中“OSA aperture” 我不明白。要不要我问下编辑？

除了审稿意见，编辑部的格式要求等意见，包括只能一个作者的邮件列出；出版费。你们商量下。如果列曹老师的邮件，下次投稿就直接由你们投出，以避免编辑部误解或再返到我这里。我把意见和投稿地址等全部转发给你。

祝好！

王晓方

-----Original E-mail----- From: opex@osa.org

Sent Time: 2011-8-18 2:20:46 To: wang1@ustc.edu.cn Cc:

Subject: [SPAM] Decision for Optics Express Manuscript 150301

Manuscript ID: 150301 Type: Regular

Title: Annulus-sector-element coded Gabor zone plate at the x-ray wavelength

Author: Xiaofang Wang;

Dear Dr. Wang:

Before making a decision on your manuscript, I would like to give you an opportunity to address the reviewer concerns. The reviews are appended below.

It is the policy of Optics Express to allow only one manuscript revision. Thus it is important to respond to all of the reviewer points carefully and to make it evident that you have done so. For this reason, please note any changes that have been made to the manuscript and indicate their locations. You may type your response directly into the designated comment text box provided online. You can also update your statement as

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Thank you for your contribution to Optics Express. If you have any questions, please contact the journal assistant at opex@osa.org.

Sincerely, David Paganin

Associate Editor, Optics Express

--------------------------- Reviewer comments appear here:

Report on manuscript: 150301 titled: \coded Gabor zone plate at the x-ray wavelength\

The paper could be of some interest for the readers of Optic Express even if the proposed optical element doesn’t show particular new interesting features compared to well known classical Fresnel zone plates.

Nevethless let me be more specific regarding the paper.

1) The introduction is too superficial because the statement regarding foci orders regards only binary zone plates. When a multilevel zone plate

is considered, or more in general a blazed zone plate, the efficiency of the first order becomes dominant, and in the case of a 4 level zone plate, the first order has a theoretical efficiency of 82%.

The third order is suppressed and the first active order is the fifth, whose efficiency is 1/25 smaller that the first order.

In case of ideal blazed zone plate the first order has an efficiency of almost 100%. 2) Even limiting the comparison to binary zone plate, in case of pure phase shift zone plate, the first order has an efficiency of 40% (neglecting the absorption) that is about a factor 4 higher that the proposed ASZP in the paper, even if, in case of binary zone plate, in order to remove the background of the third order it is needed an OSA aperture. The authors should include historical references on “conventional” zone plate and their use. Such as:

a) David Attwood nature photonics | VOL 4 |, pag. 840, DECEMBER 2010 | www.nature.com/naturephotonics

b) Di Fabrizio, E., Romanato, F., Gentill, M., Cabrini, S., Kaulich, B., Susini, J., Barrett, R. “High-efficiency multilevel zone plates for keV X-rays”

(1999) Nature, 401 (6756), pp. 895-898 c) Di Fabrizio, E., Cojoc, D., Cabrini, S., Kaulich, B., Susini, J., Facci, P., Wilhein, T.

Diffractive optical elements for differential interference contrast x-ray microscopy

(2003) Optics Express, 11 (19), pp. 2278-2288.

3) In page 2 row 7 from bottom, “annuals” should be changed by “annular”

Formula (7), is obtained for zone index n>>1 (valid for outermost zone) instead in the formula n= or >1.

Formula (8) need a wider explanation of its meaning and use. ri is not defined.?In the same page

4) Comments on figure 2. It is true that state of art fabrication can reach 13 nm and, I would say even better, but the zone rings are circular and smooth. If in the fabrication the zone are fragmentized as for ASZP or BGZP, the fabrication,

especially for the medium and outermost zone becomes almost impossible, for sure figure 2a is not less difficult than figure 2b.

As a final comment, I’m not against the publication of this paper, but the introduction has to be written more accurately, and contradiction or limitation in the formulas 7, 8, 9 has to mandatory be corrected or explicitly stated and not simply referring to previous literature.

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