Attachment 1 - External-Cavity Diode Lasers Specifications.pdf

Requirements / Specification Document

TITLE: External-Cavity Diode Lasers

Requesting Laboratory / Division / Group:

Communications Technology Laboratory Radio Frequency Division RF Fields Group (672.02)

General Statement of Need:

The RF Fields Group (672.02) is in need of a laser system that can allow us to excite and probe atoms in the Rydberg state in cesium vapor for electrometry. This system must be a diode system that is stable and has a linewidth at or better than 300 kHz. The 510 nm laser must have a coarse tuning from 509 nm to 515 nm and power >80 mW. The 850 nm laser must be able to tune to both hyperfine split states in Cs. This corresponds to 852.347 ±5 GHz. This laser must have at least 50 mW of power. Laser control units for each laser must include the ability to lock to atomic resonances or cavity resonance.

Item Specifications and Quantities:

Item 1: 510 nm External Cavity Diode Laser Quantity: 1 EACH Specifications: 1.1 510nm

1.2 Extra cavity laser power >50 mW

1.3 Laser diode tunable from 509 nm to 513 nm

1.4 Linewidth < 300 kHz.

1.5 DLC external cavity laser controller, >500 mA output

1.6 Faraday optical isolator, 500 nm to 600 nm, cemented PBS

polarizer. >25 dB suppression. Tuned for 510 nm

1.7 Fiber output port

1.9 Ultra-low noise diode current source, < 100pA/rtHz, DC to

1MHz

1.10 Temperature stabilized by TEC

1.11 Laser controller has option for peak locking and side of fringe locking

1.12 Includes power stabilization of laser power

1.13 Frequency stability < 100 MHz/K

1.14 Laser resonator machined from a solid block for

enhanced acoustic, temperature and alignment stability and narrow linewidth

Item 2: 850 nm External-Cavity Diode Laser Quantity: 1 EACH Specifications: 2.1 850nm

2.2 Extra cavity laser power >50 mW

2.3 Laser diode tunable from 845 nm to 855 nm

2.4 Linewidth < 300 kHz.

2.5 DLC external cavity laser controller, >200 mA output

2.6 Faraday optical isolator, 500 nm to 600 nm, cemented PBS

polarizer. >35 dB suppression. Tuned for 852 nm

2.7 Fiber output port

2.8 Ultra-low noise diode current source, < 100pA/rtHz, DC to

1MHz

2.9 Temperature stabilized by TEC

2.10 Laser controller has option for peak locking and side of fringe locking

2.11 Includes power stabilization of laser power

2.12 Frequency stability < 100 MHz/K

2.13 Laser resonator machined from a solid block for

enhanced acoustic, temperature and alignment stability and narrow linewidth

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ATTN: Nikunjkumar Prajapati Mail Stop: 672.02 325 Broadway Boulder, CO 80305

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