In Europe and America, the whole wardrobe is one of the necessary furniture for the family. Although the whole wardrobe has only entered China in the past two years, it has quickly become popular. According to the designer of the overall wardrobe, the reason why the overall wardrobe is favored by consumers stems from its industrial production and tailor-made, environmental protection, fashion and professionalism. In previous home renovations, people chose wardrobes in two ways: woodworking on site and buying finished products. Compared with the two, the former can be tailor-made, but the construction environment is poor, the quality is not easy to control, the specialization is insufficient, and the on-site paint is easy to cause decoration pollution; the purchase of finished products is undoubtedly beautiful, movable, stable quality, but can not match the home space . The overall wardrobe not only absorbs the advantages of the two but also makes up for their shortcomings. After combining a variety of standard parts, it can match a variety of different sizes and changes. In addition, it is factory-produced, and the installation is simple and fast. It saves the time-consuming, labor-intensive and troublesome hand-made, and is very suitable for the busy young people.

The overall wardrobe has another big advantage, which is to save space. At present, the brand's overall wardrobe can be designed according to your needs. After it is installed in the home, it forms the feeling that the wardrobe is recessed into the wall. Not only can it be cut into a clothes hanging space, a storage space, the top space can also be used for futons, or children play Tired toys. Then through the choice of the color of the sliding door of the wardrobe, it can be integrated with the decoration of the entire room. If your bedroom is large enough, you can also design a walk-in cloakroom with a whole wardrobe, and set a stylish sliding door outside, and a private space is finished. In addition, the whole wardrobe can also be designed into bookcases, storage cabinets, wall cabinets, etc., which can be described as "multiple use of one cabinet".

The overall wardrobe is popular nowadays, not only because it is very practical, but also has many economic advantages. A netizen calculated an account at the forum, "Aside from environmental protection, fashion, beauty, durability, etc., currently in large and medium-sized cities, most of the overall wardrobe prices range from 260 yuan to 500 yuan per square meter (no (Including sliding doors), like some high-end brands are between 400 yuan -500 yuan, and we buy the house, excluding the pool wall balcony, etc., the calculated practical area is mostly above 5000 yuan / square meter, according to the height of 2.7 In terms of meters, the price per cubic meter has reached 2,000 yuan. How much silver is wasted by old-fashioned furniture? "

The author understands that the overall wardrobes in the current market can be classified into three categories according to the characteristics of the brand: most of the well-known brands have "foreign birth certificates" or joint venture products. They have entered the market for a long time and have good quality services, but the prices are also higher. Most of the medium-sized brands are domestic products, with certain quality guarantees and considerable discounts on prices. The third category is some low-end businesses, the price is indeed cheap, but the quality style can only be yielded. At present, the overall wardrobe market is very similar to the state of the rise of overall cabinets in the past two years. Whether it is market demand or consumption level, the overall wardrobe has already been equipped to enter the family on a large scale. When decorating, choose a suitable whole wardrobe for yourself, so that storage becomes an art.

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Optical Coatings

• Single + Dual Wavelength AR Coatings (VAR / DAR):A single wavelength V-coat will provide reflectance less than 0.25% for 0° incidenceor 0.5% for 45° incidence at the chosen wavelength. Dual wavelength coatings will approach the performance of V-coats for two selected wavelengths. They are useful for optics which must transmit a visible alignment laser as well as a UV or near IR process beam. It is also useful for transmission of fundamental and first harmonic wavelengths.
• Broadband-AR-coatings:Anti-reflection coatings are offered to reduce surface reflections to a minimum. Two types of broadband coating are offered. A single layer of MgF2 on Fused Silica or BK7 reduces reflections per surface to about 1.5% over a broad bandwidth. If lower reflectance is required a multilayer broadband coating will provide an average reflectance less than 0.5% per surface.

• Protected + Enhanced Metallic Coatings (PAL / EAL / PAG / EAG / PAU / EAU)

  Metallic coatings make very broad bandwidth reflectors. Usually it is best to protect the coatings with a durable dielectric layer as they are very soft and susceptible to scratching. The efficiency of metallic reflectors falls off at shorter wavelengths but this may be enhanced by the application of a multi-layer dielectric thin film stack. The table shows the reflectance of each of the metals without any protection or enhancement. Protected metallic coatings have a dielectric coating layer over the metallic layer to protect the coating from being oxidized in the air or from scratched. For enhanced metallic coatings, a stack of dielectric layers are added on the metallic coating to increase reflectance for a particular wavelength range.

• Dielectric High Reflective Coatings:

1. Broadband HR coatings provide an average reflectance of 99% over a broad range of wavelengths. These broadband mirrors may be used for white light or multi-spectral applications.
2. Single wavelength, high power HR coatings are suitable for intra and extra cavity use. They provide the ultimate high reflectance of Rs > 99.8% and Rp > 99% for a specific wavelength. They may be used as a rear cavity reflector or for extra cavity use in beam delivery or turning. Note that Lambda high quality visible laser cavity coatings are designed for low scattering.

• Dichroic Beamsplitters – Beam Combiners – Harmonic Separators (SPD / LPD / BC / HHS)

1. Separate or combine beams with different wavelengths:Separate or combine beams with different wavelengths. These dichroic coatings allow one wavelength region to be transmitted while they reflect another region. They may be used as illustrated to separate or combine different wavelengths. This can be useful when working with alignment lasers or frequency doublers.
2. Dichoric Beamsplitters:These long-pass and short-pass coatings may be applied to any optical component to separate or combine different wavelength regions. They are available for normal and 45° angle of incidence. These coatings are highly effective for the wavelength of interest, reflecting over 99%. While they transmit over 85% of other nearby wavelengths, they are not blocked over a broad spectral range.

• Highly Transmissive AR Coatings For FLIR Applications:

Metallic coatings make very broad bandwidth reflectors. Usually it is best to protect the coatings with a durable dielectric layer as they are very soft and susceptible to scratching. The efficiency of metallic reflectors falls off at shorter wavelengths but this may be enhanced by the application of a multi-layer dielectric thin film stack. The table shows the reflectance. of each of the metals without any protection or enhancement. Protected metallic coatings have a dielectric coating layer over the metallic layer to protect the coating from being oxidized in the air or from scratched. For enhanced metallic coatings, a stack of dielectric layers are added on the metallic coating to increase reflectance for a particular wavelength range.

• IBAR : IR Broadband AR Coatings : Coatings for 3-5 µm and 8 – 12 µm bands

Infra-red broadband anti-reflection coatings are offered for the two broad spectral passbands of 3 – 5 µm and 8-12 µm. Coatings are designed for the refractive index of the substrate so it is necessary to offer separate coatings for different substrate materials. Standard coatings are offered for Zinc Selenide and Germanium. These coatings are highly durable and can be cleaned repeatedly using normal optics handling techniques. They are suitable for high power laser use such as that emitted from a CO2 laser.

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