Product characteristics and application
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About Bogao
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Self-focusing lens
The distribution of the refractive index of the self-focusing lens material gradually decreases along the radial direction, which can make the light transmitted along the axial direction produce continuous refraction, so as to realize the smooth and continuous convergence of the outgoing light to a point.
Classification:
Details
The distribution of the refractive index of the material of the self-focusing lens gradually decreases along the radial direction, so that the light transmitted along the axial direction can be continuously refracted, thereby realizing smooth and continuous convergence of the outgoing light to one point. In practical applications, the self-focusing lens can not only couple the parallel light with a larger spot diameter into the optical fiber, but also collimate the light emitted from the light into parallel light, and can couple the light emitted from one optical fiber into another optical fiber according to actual requirements, so it is widely used in various optical devices.
Features: High coupling efficiency and good collimation effect. Its transmittance is high, the tolerance is small, and the aperture can be customized according to customer needs.
Application: Self-focusing lens is an essential basic device in passive devices for optical fiber communication. It has focusing and collimating functions in various occasions, such as collimators, couplers, optical isolators, optical switches, wavelength division multiplexers, etc.
Technical indicators
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- Product Description
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- Commodity name: Self-focusing lens
The distribution of the refractive index of the self-focusing lens material gradually decreases along the radial direction, which can make the light transmitted along the axial direction produce continuous refraction, so as to realize the smooth and continuous convergence of the outgoing light to a point.
The distribution of the refractive index of the material of the self-focusing lens gradually decreases along the radial direction, so that the light transmitted along the axial direction can be continuously refracted, thereby realizing smooth and continuous convergence of the outgoing light to one point. In practical applications, the self-focusing lens can not only couple the parallel light with a larger spot diameter into the optical fiber, but also collimate the light emitted from the light into parallel light, and can couple the light emitted from one optical fiber into another optical fiber according to actual requirements, so it is widely used in various optical devices.
Product characteristics and application
Features: High coupling efficiency and good collimation effect. Its transmittance is high, the tolerance is small, and the aperture can be customized according to customer needs.
Application: Self-focusing lens is an essential basic device in passive devices for optical fiber communication. It has focusing and collimating functions in various occasions, such as collimators, couplers, optical isolators, optical switches, wavelength division multiplexers, etc.
Technical indicators
Parameters
Numerical
Remarks
Transmittance
≥ 89
Wavelength range 380-1550nm
Maximum pitch
0.75P
Length Z = 2π P/
effective light pass diameter
60-70% lens diameter
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Tolerance
≤ 0.75%
Same furnace, same batch
≤2.5%
Different furnace, different batch
Lens diameter tolerance
+0.005/-0.010mm
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Lens length tolerance
+0/-0.04mm
Maximum mechanical and polishing tolerances
2.5% regular length
According
Adjustment of changesEnd face angle
0、2、4、6、8、13°
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Verticality of end face
6 mrad max
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Coefficient of thermal expansion
10x10-6/℃
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Temperature
350 ℃
Wavelength Range380-1550nm
Humidity
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Store in a dry environment
light
lens
optical
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