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Solicitation #: N00173-19-RFI-AL02 Procurement Type: Sources Sought Title: Strontium Optical Lattice Clock Laser System Classification Code: 58 - Communication, detection, and coherent radiation equip... Solicitation #: N00173-19-RFI-AL02 Procurement Type: Sources Sought Title: Strontium Optical Lattice Clock Laser System Classification Code: 58 - Communication, detection, and coherent radiation equipment NAICS Code: 334516 - Analytical Laboratory Instrument Manufacturing Response Date: January 14, 2019 Primary Point of Contact: Anastasia Lenfest, Contract Specialist, Anastasia.Lenfest@nrl.navy.mil, Phone: 202-404-3557 Description: This is a request for information (RFI) issued by the Naval Research Laboratory (NRL) for information and planning purposes only. This is neither a formal Request for Proposals or Quotes (RFP or RFQ). No awards will be made from the responses to this announcement. The Government will not reimburse any costs associated with the development and submission of materials in response to this request. There is no solicitation available at this time. However, should a requirement materialize, no basis for claims against NRL shall arise as a result of a response to this notice or NRL's use of such information as either part of our evaluation process or in developing specifications for any subsequent requirement. Objective: The NRL is inquiring for potential sources that are capable of providing the following: Strontium Optical Lattice Clock Laser System. NRL Advanced Space PNT branch (Code 8150) requires a complete turnkey solution for the laser system required to produce a strontium (Sr) optical lattice clock. This system will include a self-referenced femtosecond frequency comb with control of the CEO frequency, an ultra-stable laser system to interrogate the 698.4 nm clock transition of Sr atoms trapped in an optical lattice and all the continuous-wave lasers required for two-stage cooling of Sr in a magneto-optical trap as well as an optical lattice laser at the magic wavelength. The system will include all of the electronics for driving the lasers system and performing the laser locks for frequency comb self-referencing and for locking the frequency comb to the clock laser. The system will also include all the electronics for driving the cw lasers systems and performing laser locks of the cw lasers to either the frequency comb or a high-resolution wavemeter. The system will be integrated and characterized at the factory to verify specifications of the completed system. The unit will be shipped and reassembled to working order at NRL site and include on-site training. The complete unit will provide controls for all locks, system parameters and diagnostics from a central control unit or computer GUI. The parameters must be accessible with external commands so that the system can be utilized in an experimental sequence suitable for producing a Sr clock interrogation cycle. Laser specifications: QNTY (1) Femto-second optical frequency comb: Self-referenced femtosecond optical frequency comb with phase lock electronics to stabilize repetition rate and CEO frequency Comb spacing greater than 80 MHz 4 fCEO free high measurement port outputs Power greater than 10 mW each output or Beatnote between comb line and continuous wave laser to be locked greater than 30dB Bandwidth greater than 20 nm each output Short term stability of 1E-16 at one second Long-term stability of 3E-18 at 1000s Complete automated system that qualifies for 24h/7d operation User software, counter, PC and displays for system control and data acquisition Qnty(1) Optical Clock Laser Laser locked to ultra-stable, high finesse optical cavity (order 500,000) enclosed in CF vacuum system Laser wavelength or scheme compatible with producing narrow light at 698.4 nm Sr clock transition Pound-Drever-Hall locking to high-finesse cavity Temperature stabilization Vibration isolation platform Performance: Allan Deviation less than 1.5E-15 at one second Linewidth less than 1Hz (2.5s sampling time) Fiber-coupled output power with greater than 5mW output power Qnty(1) Optical Lattice Laser Narrow cw laser centered at 813.4 nm Wavelength span 15 nm Power of 2000 mW after optical isolator Linewidth less than 200 kHz Mode hop free tuning of 30 GHz Includes ASE filter for optical lattice clock operation Fiber-coupled output Qnty(1) First stage cooling laser Narrow cw laser centered at 460.9 nm Coarse tuning +/-2nm Power output greater than 500 mW Linewidth less than 100 kHz Mode hop free tuning of 15GHz Fiber-coupled output Qnty(1) Second stage cooling laser Wavelength 689.3 nm Coarse tuning 8 nm within rage Power after isolator greater than 20 mW Linewidth less than 100 kHz Mode hop free tuning 20 GHz Fiber-coupled output Qnty(1) Repump laser 1 Wavelength 707.2 nm Coarse tuning range 8 nm within range Power after isolator greater than 20 mW Linewidth less than 100 kHz Mode-hop tuning range 20 GHz Fiber-coupled output Qnty(1) Repump laser 2 Wavelength 679.3 nm Coarse tuning 11 nm within range Power after isolator greater than 15 mW Linewidth less than 300 kHz Mode hop free range 30 GHz Fiber-coupled output Integrated Specification Turn-key system - meaning all lasers are controlled from a central control system or computer GUI where the laser parameters and locks can be implemented and diagnosed. Capable of 24h/7d operation within a laboratory environment. System developed to set each continues wave laser onto the correct wavelength for Sr optical lattice operation. This will include locking lasers to the optical frequency comb and setting absolute wavelength with an integrated wavelength meter. For less critical lasers (repump and first stage cooling lasers) can be locked directly to wavemeter using included digital electronics. Wavelength meter specifications: Measurement range: 330-1180 nm Absolute accuracy 330-420 nm +/- .02pm Absolute accuracy 420-1180 nm +/- 20 MHz Internal calibration source included Capability to measure 8 inputs simultaneously (e.g. 1x8 photonic crystal switch) System diagnostics included for monitoring laser locks and laser parameters (e.g. scopes and spectrum analyzers.) System fully integrated and characterized at factory. All laser locking PID parameters adjusted and optimized for locking to either optical frequency comb or to wavementer. Delivered to NRL site and set up to full working condition In person, on-site training required for completed installed system. Manuals for individual laser systems as well as the overall integrated system to include information on the design, overall layout, operation and troubleshooting techniques. Software of integrated system compatible to allow for integration into an experimental control system (Labview or Python) Warrantee for at least for 1 year of maintenance free operation. Overall size of system must fit on one standard sized optical table 4ftx8ft. The NRL asks that interested parties, at a minimum, supply the following information: • Contact Information o Name of company, mailing address, and point of contact (POC) o Telephone number, fax number, address, and e-mail address of POC o Business size and number of employees o If a small business identify if your firm if an 8(a), HUBZone, SDVOSB, WOSB o If your company is a GSA schedule contract holder AND if the items are available under the schedule Submission of Information: All information and data received in response to this RFI marked or designated as corporate or proprietary information will be protected as such. Please include this notice number on all documents and email. Classified Material shall not be submitted. Please transmit responses by e-mail to Anastasia Lenfest, contract specialist, at anastasia.lenfest@nrl.navy.mil in either Microsoft Office or pdf formats. All responses must be received on or before 3:00PM, (EST), 14 January 2019. Phone solicitations or emails regarding the status of this Request for Information (RFI) will not be accepted. Phone solicitations or emails regarding the status of this Request for Information (RFI) will not be accepted.