1333ND21QNB680247 SF-30 A001.pdf

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7. ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NUMBER

IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

TITLE: OPTICAL FREQUENCY COMB SYS/A001 QUESTION & ANSWER 1

The purpose of this amendment is to post question and answers as follows:

...See Continuation Page

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1333ND21QNB680247A001 JUN 02, 2021 NB688000-21-01692

000014

NATIONAL INST OF STDS AND TECHNOLOGY

325 BROADWAY

BOULDER CO 80305-3328

See Block 6

1333ND21QNB680247

JUN 02, 2021

See Schedule

Continuation Page

Continued from Block 14...

QUESTION 1. Item 5. Will a demonstration of 1 week cycle-slip-free operation be sufficient?

ANSWER: Yes, 1 week demonstration is sufficient, if it is fully expected that 2 weeks will be realizable for the delivered system.

QUESTION 2. Item 6. Can NIST specify the required near IR wavelengths (698, 871, 759) with a precision to 0.1 nm?

ANSWER: 698.4 nm, 871.0 nm, and 759.4 nm

QUESTION 3. Item 7. Is the verification of the frequency transfer stability from 1156 to 698/871 nm by the supplier required, or will this be tested at NIST?

ANSWER: Verification is required by the supplier.

QUESTION 4. Item 10. The output of the Mach-Zehnder-Interleaver must have residual intensity noise of <= -100dB/ Hz at which frequency? and -130 dB/Hz at 10 kHz (please provide the information marked in red).

ANSWER: @ 100 Hz

QUESTION 5. Item 11. Is the verification of the frequency transfer stability from 1156 to 10 GHz as well as phase noise at 10 GHz nm by the supplier required, or will this be tested at NIST?

ANSWER: Verification is required by the supplier.

QUESTION 6. Item 13. Will a rack-mounted system package of 21 U be acceptable?

ANSWER: The maximum allowed rack-mounted package size is 15U.

THE RFQ CLOSING DATE HAS NOT BE EXTENDED.

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