The high absorption of UV grade used silica around 2µm will lead to heat generation and potentially cause damage. However, IR grade fused silica optical components often have a higher cost and lower availability. Understanding your application’s wavelength range is important for selecting the appropriate substrate.
Is quartz UV transparent?
Fused quartz glass also features virtually the same chemical strength as Fused Silica. It still offers a better UV transparency than most other glass materials and the same crystal clear appearance as optical grade quartz glass.
What is UV grade fused silica?
UV Grade Fused Silica is synthetic amorphous silicon dioxide of extremely high purity providing maximum transmission from 195 to 2100 nm. This non-crystalline, colorless silica glass combines a very low thermal expansion coefficient with good optical qualities, and excellent transmittance in the ultraviolet region.
What is the difference between fused silica and quartz?
The main difference between the two is that Fused Silica is composed of a non-crystalline silica glass, while Quartz is made from crystalline silica. This difference gives Fused Silica very high transmission in the UV spectrum compared to that of Quartz. Quartz also features a much lower OH content.
Can UVC pass through quartz glass?
The UV range is from 0.1 nm to about 400 nm (or from 100 A to about 4000 A). The visible light wavelengths are longer, between 400 nm and 700 nm. Quartz will transmit UV from 180 nm to 400 nm. Since quartz is made of silicon dioxide, glasses made from a high proportion of this material will also readily transmit UV.
What plastic is UV transparent?
Acrylic
Acrylic is among the only manufacturing materials that is inherently UV-resistant. It is a transparent plastic that suffers as little as 3% degradation over a 10-year period when used in outdoor applications. Acrylic also offers good scratch resistance, making it an excellent choice for long-term use.
What is fused quartz used for?
Fused silica and quartz are used in the manufacture of many optical parts—such as lenses, mirrors, UV and IR transmitting optics, and metrology components—due to their ability to transmit light in the visible, ultraviolet, and infrared range.
What is quartz glass used for?
Quartz glass is used in the manufacturing of optical devices, lighting systems, refractory materials, and chemical apparatuses.
Is BK7 birefringent?
Figure 4.17 A block of N-BK7 shows stress birefringence reduction due to cutting it down to smaller-sized pieces.
What is fused silica used for?
Fused silica and quartz are used in the manufacture of many optical parts—such as lenses, mirrors, UV and IR transmitting optics, and metrology components—due to their ability to transmit light in the visible, ultraviolet, and infrared range. Semiconductors.
What is a UV fused quartz cuvettes?
The UV fused quartz glass construction allows these cuvettes to be used with UV light at wavelengths as low as 200 nm, as well as with visible and infrared light up to 3 µm.
What does Heraeus Quarzglas do?
Heraeus Quarzglas counts itself among the technology leaders and materials specialists for the manufacture and processing of high-purity fused silica. Songwon and Heraeus announced that they have signed a co-operation agreement to jointly develop and market high end specialty chemicals for the electronics industry.
What are the optical properties of quartz glass?
Quartz glass has outstanding optical properties such as light transmission and has characteristics such as high purity, high resistance to heat and radiation.
What is the difference between fused quartz and fused quartz glasses?
This differs from all other commercial glasses in which other ingredients are added which change the glasses’ optical and physical properties, such as lowering the melt temperature. Fused quartz, therefore, has high working and melting temperatures, making it less desirable for most common applications.
