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  • Quartz Substrates
Quartz Substrates Quartz Substrates Quartz Substrates Quartz Substrates

Quartz Substrates

  • Material: high purity fused silica
  • Surface: Transparent
  • Working Temperature: <1450 ℃
  • Tolerance:±0.02 to 0.5mm
  • Quartz Substrates
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    Description

    Quartz Substrates


    Ultraviolet fused silica has a high transmittance from ultraviolet to near-infrared (185-2100nm), and it is an ideal choice for applications in the ultraviolet to near-infrared wavelength range. In addition, compared with H-K9L (N-BK7), UV fused silica has better uniformity and lower thermal expansion coefficient. We provide uncoated and coated high-precision windows, and customers can also customize the size and coating.


    Specification:

    Material
    Synthetic fused silica, JGS1
    Dimension (mm)
    As required
    Dimension Tolerance (mm)
    +0.0/-0.1
    Clear Aperture
    ≥90%
    Thickenss (mm)
    1
    Thickness Tolerance (mm)
    +/-0.1
    Parallelism
    ≤1′
    Surface Flatness
    λ/4@633nm
    Surface Quality
    20/10
    Bevel
    0.2×45°
    Coating
    As required


    China Optical Quartz Glass Grade

    Name

    Corresponding grade

    Feature

    Far Ultraviolet Optical Quartz Glass

    JGS1

    Transparent in the ultraviolet and visible spectrum; no absorption band in the 185-250nm band; strong absorption band in the 2600-2800nm band; non-luminous, stable light radiation.

    UV optical quartz glass

    JGS2

    Transparent in the ultraviolet and visible spectrum; no absorption band in the 200-250nm band; strong absorption band in the 2600-2800nm band; non-luminous, stable light radiation

    Infrared optical quartz glass

    JGS3

    Transparent in the visible and infrared spectrum; no obvious absorption band in the 2600-2800nm band;


    Optical properties of quartz glass

    Wavelength

    Transmittance%

    nm

    Synthetic quartz glass

    Fused Quartz glass

    Infrared quartz glass

    170

    50

    10

    0

    180

    80

    50

    3

    190

    84

    65

    8

    200

    87

    70

    20

    220

    90

    80

    60

    240

    91

    82

    65

    260

    92

    86

    80

    280

    92

    90

    90

    300

    92

    91

    91

    320

    92

    92

    92

    340

    92

    92

    92

    360

    92

    92

    92

    380

    92

    92

    92

    400-2000

    92

    92

    92

    2500

    85

    87

    92

    2730

    10

    30

    90

    3000

    80

    80

    90

    3500

    75

    75

    88

    4000

    55

    55

    73

    4500

    15

    25

    35

    5000

    7

    15

    30




    The Main Properties of Quartz Glass:
    Mechanical properties
    Quartz glass is a brittle material with low tensile strength and high compressive strength. The latter is 20 times that of the former.
    Thermal performance
    Quartz glass has a very low coefficient of linear expansion, very good resistance to thermal vibration, and is a poor conductor of heat.
    Optical performance
    An important difference between quartz glass and ordinary glass is its good transmittance in the entire spectrum, especially in the ultraviolet and deep ultraviolet spectrum, which is not available in ordinary optical glass.
    Electrical performance
    The main electrical properties of quartz glass are high dielectric electric field strength, low dielectric loss and low conductivity.
    Chemical properties
    Quartz glass is a material with very good chemical stability and does not react with water, salt solutions and most acids.
    Radiation resistance
    Compared with ordinary glass, quartz glass has excellent radiation resistance. Among them, synthetic quartz glass has the best radiation resistance and hardly produces color centers.

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    • Quartz Glass Parts
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    sales@bj-laseri.com

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