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Sapphire window

We use in contrast and, less commonly, by contrast to link two clauses. In contrast and by contrast stress the difference between two people or things more strongly than in comparison and by comparison:

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An optical window if an optical component made of transparent material in a certain wavelength range that is usually used for protection of equipment while having little effect on the beam signal.

CaF2 window

Usually windows width are bigger than their thickness but very thick windows may be used for high pressure applications.

He didn’t seem offended by her criticisms; on the contrary, he seemed to enjoy them. (It was not true that he was offended by the remarks – he enjoyed them.)

It’s a chaotic and disorganised country, but on the other hand it’s a very friendly and beautiful place. (Both things are true about the country.)

Edmund window

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We can use on the one hand and on the other hand when we contrast two different things or two different ways of thinking about something. We often use them to present a balanced argument in which both sides must be considered:

KBr window

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By contrast with the external appearance of the place, the room into which the front door opened was, if not particularly attractive, clean and well ordered.

BaF2 window

Optical windows can be of many different types, round, rectangular, oval or free form shapes. Note that round optics are usually easier to manufacture and to reach high optical specifications, due to their rotational symmetry.

If you are looking for a supply solution or need support for your request for quotation, don’t hesitate to click on below  link to contact SINOPTIX for your optical window project.

Outside of their shape optical windows can be characterized by their material and their spectrum of application (UV, visible, IR).

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Optical windows can be found in optical distributors of flat optics manufacturer.  According to the complexity of your specification and material you may need to look for specialist (UV, IR, VISIBLE, SAPPHIRE).

Both are working with polishing pads and polishing slurry which includes abrasive particules, which evolve along the process from gross to fine.  Polishing is the longer processing step for windows taking from some hours to half a day per batch.

Brewster window

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Optical windows may also be used as a substrate for further processing. Optical coatings can make them filters or mirrors and metallic coating to offer electromagnetic shielding properties.  Finally marking can be added on surface to make optical masks.

We can use on the contrary to emphasise that something is the opposite of something which has been mentioned. We often use it to state that an original statement was not true, and we often use it after a negative statement. On the contrary is much more common in writing than in informal speaking:

In a nutshell they are used to avoid external elements (water, air, objects..) to enter the equipment while keeping the optical parameters of a system.

We can use in comparison and, less commonly, by comparison to contrast two clauses or sentences. They indicate how people and things are different when we compare them side by side:

Germanium window

Visible window

There are several common expressions for making contrasts in English. They include on the one hand … on the other hand, on the contrary, in comparison, by comparison, in contrast, by contrast.

Before the discovery of glass and even until the development of its mass production with the invention of float glass, windows where almost non existant. This changed a lot in the last 3 centuries, and now windows are everywhere from our homes to our cars and mobile phones. Below we will focus more precisely on windows used in Photonics : the optical windows.

Holistic medicine treats the whole person. Conventional medicine, in contrast, treats specific symptoms and parts of the body.

The key quality point for an optical windows are the material and the polishing quality. Below is the most commun manufacturing steps followed by factories:

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On the one hand, mobile phones are very useful and can save lives. On the other hand, people seem to use them for the most pointless and unnecessary calls.