Single photon sub-Doppler spectroscopy

January 2021

Spectroscopy of Rb at the single-photon level. The narrow diagonal lines are sub-Doppler features.

Falling in love with a Rb MOT

February 2021

Falling in love with a Rb MOT

Collisions between CaF molecules and Rb atoms

March 2021

Inelastic collisions between CaF molecules and Rb atoms in a magnetic trap. Rotationally excited molecules are ejected; ground state molecules are not.

Interferometer chamber

April 2021

Indium-sealed vacuum chamber for a transportable atom interferometer.

May 2021

May 2021

The only blob of rain in England settles over Kensington. A condensate. But no amount of rain was going to spoil our first party for fifteen months.

June 2021

June 2021

Prototype molecule chip viewed through vacuum viewport

Nanocrystals

July 2021

Anthracene nanocrystals coated in a protective polymer shell, imaged using a scanning electron microscope. The anthracene is doped with dibenzoterrylene, a promising source of single photons

UItracold YbF

August 2021

A laser-cooled beam of YbF molecules suitable for measuring the electron's electric dipole moment. Left: 1D cooling. Right:2D cooling

Dual CaF Rb MOT

September 2021

Dual species atom-molecule MOT - an apparatus for studying collisions between ultracold Rb and CaF.