In recent years, network data traffic has grown rapidly, data centers have become increasingly demanding on bandwidth, and the construction of next-generation data centers requires lower-cost, wider-bandwidth transmission media.
The ultra-wideband OM5 multimode fiber developed by Changfei Technologies supports transmission of at least 4 wavelengths in the wavelength range of 850-950nm, and can support the latest shortwave wavelength division multiplexing (SWDM) technology. The principle of shortwave wavelength division multiplexing is shown in Fig. 1. Compared with the existing parallel technology, the shortwave wavelength division multiplexing technology reduces the use of multimode fiber to a quarter, that is, using two core fibers instead of eight. The core) can realize 100 G bidirectional transmission. If an optical fiber is regarded as an expressway, short wave wavelength division multiplexing is like expanding a single-lane highway into four lanes and increasing its capacity by four times.
Figure 1 Shortwave wavelength division multiplexing
Super-Bright? Broadband OM5 multimode fiber offers not only bandwidth performance comparable to that of OM4 multimode fiber in the 850nm window, but also has high bandwidth in the 850-950nm wavelength range. The plasma chemical vapor deposition (PCVD) rod technology used by Changfei Company can achieve ultra-fine refractive index profile control. Combined with the optimization of waveguide materials, the super-wideband OM5 multimode fiber has excellent performance at longer wavelength windows. Bandwidth performance.
Ultra-Bell OM5 multimode fiber adopts the profile design of the depressed cladding structure to obtain excellent anti-bending performance. Its refractive index profile is the same as that of the traditional OM3 and OM4 multimode fibers, and therefore it is perfectly compatible with the traditional OM3 and OM4 multimode fibers.
In the 100G transmission test, Ultra-Brightband OM5 multimode fiber achieved error-free transmission over 300m.
Changfei SuperBridge? Broadband OM5 multimode fiber not only provides a low-cost, low-power, high-performance and perfectly compatible high-quality solution for data center 100G transmission, but also prepares for further upgrades to 200G and 400G in the future.
Boride-based powders are commonly used in thermal spray applications due to their high hardness, wear resistance, and thermal stability. Some commonly used boride powders for thermal spray include:
1. Boron Carbide (B4C): Boron carbide is one of the hardest materials known, making it ideal for applications requiring high wear resistance. It also has excellent chemical resistance and thermal stability.
2. Titanium Diboride (TiB2): Titanium diboride offers a combination of high hardness, excellent wear resistance, and good thermal conductivity. It is often used in applications where both wear and heat resistance are required.
3. Tungsten Boride (WB): Tungsten boride powders have high hardness, excellent wear resistance, and good thermal stability. They are commonly used in thermal spray applications for their ability to withstand high temperatures and resist wear.
4. Chromium Boride (CrB2): Chromium boride powders offer high hardness, wear resistance, and good thermal stability. They are often used in thermal spray coatings for applications requiring resistance to abrasion and erosion.
These boride-based powders can be used in various thermal spray processes such as plasma spraying, high-velocity oxy-fuel (HVOF) spraying, and detonation gun spraying to provide protective coatings on surfaces that require enhanced wear resistance and thermal protection.
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