Small-sized Dichroic Atomic Vapor Laser Lock (DAVLL)

Abstract

Two, lightweight diode laser frequency stabilization systems designed for experiments in the field are described. A significant reduction in size and weight in both models supports the further miniaturization of measurement devices in the field. Similar to a previous design, magnetic-field lines are contained within a magnetic shield enclosing permanent magnets and a Rb cell, so that these DAVLL systems may be used for magnetically sensitive instruments. The Mini-DAVLL system (49 mm long) uses a vapor cell (20 mm long), and does not require cell heaters. An even smaller Micro-DAVLL system (9mm long) uses a micro-fabricated cell (3 mm square), and requires heaters. These new systems show no degradation in performance with regard to previous designs, while considerably reducing dimensions.

13 pages, 11 figures, published version

References in corpus (5)

• Optical Magnetometry
• Robust, High-speed, All-Optical Atomic Magnetometer
• A heated vapor cell unit for DAVLL in atomic rubidium
• Search for plant biomagnetism with a sensitive atomic magnetometer
• Sensitive optical atomic magnetometer based on nonlinear magneto-optical rotation

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• Light shift averaging in paraffin-coated alkali vapor cells
• Tutorial on laser locking techniques and the manufacturing of vapor cells for spectroscopy
• A method of laser frequency stabilization based on the effect of linear dichroism in alkali metal vapors in a modulated transverse magnetic field