The active laser medium (also called the gain medium or laser medium) provides the optical power in a laser. Stimulated emission generates optical energy. Digital or molecular transitions shift to a lower intensity level from an electric current region that a pump source previously occupied.
Crystals, typically doped with rare earth ions (e.g. Neodymium, Ytterbium or Erbium) or transition metal ions (Titanium or Chromium); mostly yttrium‐aluminium garnet (Y3Al5O12), yttrium orthovanadate (YVO4) or sapphire (Al2O3); and no longer commonly caesium-cadmium bromide (CsCdBr3) Glasses, for example silicate or phosphate glasses doped with laser-active ions;
Gases, for example mixtures of helium and neon (HeNe), nitrogen, argon, carbon monoxide, carbon dioxide or steel vapours;
Semiconductors, for example gallium arsenide (GaAs), indium gallium arsenide (InGaAs) or gallium nitride (GaN). Dye solutions, as used in dye lasers.
To initiate lasing, the gain medium must exhibit a non-thermal energy distribution, referred to as population inversion. This state is maintained by an external energy supply termed laser pumping. Pumping is achieved by electrical currents (e.g. in semiconductors or gases via high-voltage discharges) or by light generated from discharge lamps or other lasers (such as semiconductor lasers). In addition, certain gain media are pumped by chemical reactions, nuclear fission or high-power electron beams.
Our range of laser crystals:
Nd:YAG laser crystals: Investigate the fundamentals of laser technology using Nd:YAG laser crystals. These crystals are used in solid-state lasers to provide high energy output and measured beam quality. Applications include laser marking, medical procedures and scientific research.
Ti:Sapphire laser crystals: Use Ti:Sapphire laser crystals to access a wide range of laser wavelengths. Their tunability supports applications in scientific research and precision material processing.
Er:YAG laser crystals: Employ Er:YAG laser crystals for infrared laser applications. They are utilised in medical and aesthetic treatments as well as in industrial processes such as laser welding and cutting.
Yb:YAG laser crystals: Utilise Yb:YAG laser crystals for high-power laser applications. They offer efficient thermal conductivity, making them suitable for industrial and scientific lasers in material processing and research.
Advantages of our laser crystals:
Laser precision: Our laser crystals are designed for precise light amplification and enable controlled beam steering and manipulation for various applications.
High optical quality: Established manufacturing procedures and crystal growth techniques ensure high optical quality that delivers reliable laser performance and output.
Versatility of application: Our range of laser crystals is applicable in scientific research, medical procedures, material processing and other fields.
Customised solutions: Our team understands the specific requirements of laser systems. The experts work with you to develop customised laser crystal solutions that meet your particular needs.
Why choose our laser crystals:
Quality assurance: Our laser crystals undergo rigorous quality control to ensure they fulfil industry standards. Each crystal is manufactured with precision to provide reliable and consistent laser performance.
Technical expertise: Our team of laser experts offers technical support, advice and recommendations to assist you in selecting the appropriate laser crystals for your applications.
Global accessibility: We offer worldwide shipping and support, thereby ensuring that our laser crystals are accessible to sectors and applications internationally.
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