Torr Scientific
@TorrScientific
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Torr Scientific is an innovative company that brings together a unique range of expertise & skills to thin film vacuum coating & electron-optics.
Bexhill-on-Sea, East Sussex
Joined May 2011
#AtomTrapChambers harness a unique method for scientific research, using #UltraColdTechnology to capture atoms to test. ❄️ These devices have numerous applications including atomic clocks, gravimeters and even potential within #QuantumComputers.
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🔗 Learn more about the other equipment we use in our factory on our website: https://t.co/yNrC5CoqwO 🔗
torrscientific.co.uk
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We also complete personalised engravings for customers including logos, as well as chevrons, which are used to display the location of wedges on specialised optics. 🔎
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The main engravings we carry out are for marking components with batch numbers for traceability purposes, as well as for including the coating specifications for our anti-reflective coated products. 📇
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It can also complete flat engraving, as well as vertical engraving by rotating the laser head 90-degrees. This feature also allows us to engrave complex shapes without the laser beam losing focus. 💡
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This chuck, as well as the 360-degree rotating laser head allows us to conduct radial engraving – a technique used for engraving cylindrical objects. The system is capable of radial engraving our viewports up to a size of a CF 250.
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Here at Torr Scientific, we laser engrave our products to display information directly on the assembly. 🛈 In our factory we use the XL Fibre Marking System for this process, which is fitted with a chuck to secure the items for rotation around an axis. 🔄
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📨 If you are interested in receiving a quote for a glass cell, please contact our sales team: sales@torrscientific.co.uk 📨
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The glass must be optically polished to achieve a high surface smoothness, and it must be thoroughly cleaned so there are no contaminants. This technique can be assisted by increased heat for annealing (and accelerate molecular diffusion), or it can be activated chemically. 🌡️
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Specifically, the Van der Waals (electron distribution bonds) forces. When the materials are less than 10 nanometres apart (one millionth of a centimetre), the bonds are overcome, and the two pieces can fuse as one material. ⚛️
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It seems simple, as the two pieces are just brought together, and pressure is applied. However, for this to be successful, these actions must be extremely precise. 🗜️ Optical contacting only works due to manipulating the intermolecular bonds of the material.
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🔎 But how is the cell sealed together? 🔎 At Torr we utilise a methodology called optical contacting to bond the glass into a rectangular prism. This is a technique where no frits or epoxies are involved.
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Here at Torr Scientific, we manufacture glass cells as an alternative to our magneto-optical trap (MOT) chambers. The advantage of a glass cell is that there is a wider viewing area, as the main body is manufactured entirely from either Kodial or Pyrex. 🪟
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Therefore, the aluminium coating reflects stray-light emitted in the wrong direction by the phosphor back towards the user, improving the brightness and efficiency of the screen. 🔆 To learn more about phosphor screens, please contact our sales team: sales@torrscientific.co.uk
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🔷 In contrast, the aluminium coating is layered over the top of phosphor - without falling between the grains. This makes the coating relatively smooth, which makes it reflective.
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🔷 The ITO coating is fully transparent, it lies underneath the phosphor on the glass disc. It is added using a technique called “reactive sputtering” and is the same as the ITO coating available for our viewports. 🪟
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A build-up of electrical charge can impact the image quality or even cause damage to the screen. ⚠️ While their purpose is similar, the two coatings behave slightly differently:
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Both coatings have the same function, which is to prevent the screens from accumulating an electrical charge. ⚡ This can help with the precision required for the screens to produce an image, to prevent electrical “noise” creating interference.
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