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Superresolution microscopy reaches 14 nm

The past decade has seen a growing interest in nitrogen vacancy colour centres (NV-centres) in diamond as prominent candidates for solid state quantum bits, single photon sources and even ultra-sensitive magnetic sensors.

These NV centres can be described by a three level energy scheme (Figure 1) made up of a spin 1 ground state 3A, a spin 1 excited state 3E and a meta stable singlet state 1A. The energy separation between the ground and excited states allows NV to be optically excited with 532 nm light and produces strong fluorescence from 637 nm to 800 nm.

What’s new

  • Laser Quantum Ltd

    Torus SLM laser shows excellent spectral purity

    White papers | 3 Oct 2014

    The spectral purity of the torus 532 laser is shown to be 110 dB when measured with a Tandem Fabry-Perot interferometer, resulting in high resolution Brillouin scattering measurements in bulk materials.

  • Laser Quantum Ltd

    Shaping of light beams along curves in three dimensions

    White papers | 3 Oct 2014

    Researchers at the University Complutense Madrid (UCM) have recently presented a method for generating laser beams whose intensity and phase are prescribed along arbitrary 3 dimensional curves.

  • Laser Quantum Ltd

    Laser Quantum Celebrates its 20th Anniversary

    News | 1 Oct 2014

    Laser Quantum is delighted to be celebrating its 20th anniversary.  Since its formation in 1994 by PhD Physicists from the University of Manchester, Laser Quantum has developed into a successful company with over 100 staff in 3 offices in different countries, plus supported distributors in 36 others.

  • Laser Quantum Ltd

    Laser Quantum strengthens its position in the femtosecond laser market with the purchase of Venteon Laser Technologies GmbH

    News | 11 Sep 2014

    Laser Quantum is pleased to announce the recent acquisition of Venteon Laser Technologies GmbH, a world leading manufacturer of few-cycle, ultra-short pulse lasers.

  • Figure 2 Basic THz generation principle of the Tera-SED emitters

    TERA-Sed Emitters

    White papers | 5 Nov 2013

    The Laser Quantum Tera-SED is a device emitting intense terahertz (THz) radiation after excitation with a femtosecond (fs) laser pulse. It converts the light from the optical regime into the THz regime with a conversion efficiency of up to 2 x 10-3.

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