Technical Knowledge
Process flow of glass coating
Glass coating is to coat one or more layers of metal films or metal compounds on the surface of glass to change the optical properties
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Product Knowledge
what kinds of filters can be divided into?
According to the spectral characteristics of filters, filters can be divided into six categories: Bandpass filter, cut-off filter, spectroscopic filter, neutral density filter, reflection filter
Material Knowledge
What is BK7 glass?
BK7 is the brand of Schott glass factory in Germany, and K9 is the corresponding domestic glass brand. N-bk7 is the glass of German Schott,
Product Knowledge
The OD value in the filter
The OD value in the filter OD is when light passes through a sample, part of the light will be absorbed. In spectroscopy, transmittance is
Material Knowledge
K9 glass
K9 glass is a glass product made of K9 material, which is used in optical coating and other fields. K9 material belongs to optical glass.
Material Knowledge
High borosilicate glass
High borosilicate glass (also known as hard glass) is made by using the conductivity of glass under high temperature to realize glass melting through heating
Product Knowledge
gradient linear filter
Linear gradient filter (LVF) is an optical device whose spectral characteristics change linearly with position. It is formed by plating multi-layer film systems with varying
Material Knowledge
quartz glass
Quartz glass is an excellent optical material, which has many unique advantages and can not be replaced by other optical materials. Quartz glass has good
Product Knowledge
customize quartz glass
The expansion coefficient of quartz glass is very small, only one fourteenth of that of ordinary flat glass. Quartz glass is not afraid of cold
Material Knowledge
the principle of glass absorbing ultraviolet rays?
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