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Spherical Lenses

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Achromatic

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Plano Convex

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Plano Concave

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Double Convex

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Double Concave

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Meniscus and Ball lens

Capabilities

Golden Way Scientific is a leading manufacturer of spherical lenses, producing millions of precision quality lenses every year. Whether you require small quantities of spherical lenses for prototyping, a few dozen for pre-production, or large volumes for full-scale production, Golden Way Scientific has the capabilities to ensure the success of your projects.

Spherical Lens Manufacturing Specifications
	Commercial	Standard	Precision	Best Effort
Diameter	1.0 – 300.0mm	1.0 – 300.0mm	1.0 – 300.0mm	1.0 – 300.0mm
Diameter Tolerance	-0.100mm	-0.05mm	-0.01mm	-0.005mm
Thickness Tolerance	±0.100mm	±0.050mm	±0.020mm	±0.005mm
Sag Height	±0.050mm	±0.025mm	±0.010mm	±0.005mm
Clear Aperture	80%	90%	90%	Full Surface
EFL Tolerance	±2.0%	±2.0%	±1.0%	±0.5%
Power (P-V) @ 632.8nm	3.0 waves	1.5 waves	0.5 wave	0.5 wave
Irregularity (P-V) @ 632.8nm	1.0 wave	0.25 wave	0.1 wave	0.05 wave
Centering (Beam Deviation)	3-5 arcmin	3 arcmin	1 arcmin	0.25 arcmin
Surface Quality	80-50	40-20	20-10	10-5
Bevel	<1.0mm	<0.5mm	<0.25mm	<0.1mm

Optical Measurement Equipments

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OptiSpheric 2000 AF

Measurement parameters	EFL, R, Center Deviation, FFL, BFL, MTF, Wedge Angle (Parallelism)
EFL test range	+1 ~ +2000mm -1 ~ -1500mm
EFL measurement accuracy	0.03% ~ 0.30%
R,BFL test range	±1mm ~ ±750mm
R BFL measurement accuracy	0.05% ~ 0.30%
Center Deviation Test Range	±1mm ~ ±2000mm
Center deviation measurement accuracy	±0.2um or ±2 arcsec
Wedge angle (parallelism) measurement accuracy	±1 arcsec

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Ultra-Spherotronic

Applications and Measurements	Contact spherical curvature radius measurement
Curvature radius test range	L±6mm ~ ∞
Diameter of sample to be tested	10 ~ 500mm
Curvature Radius Measurement Accuracy	0.005%
Linear encoder working distance	±30mm
Linear encoder absolute accuracy	0.05um

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Ultra-Spherotronic

Measurement mode	Reflection method to measure the angle between any two adjacent polished surfaces of a prism
Measuring range	0 ~ 360°
Measurement accuracy	Single measurement: 0.50" Multiple measurements: 0.20"
Rotary encoder resolution	0.036”
Rotary encoder accuracy	0.20”

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Interferometer Zygo GPI

Standard lens diameter	100mm
Flat Standard Lens Accuracy	Lambda/20 @ 633nm
Measurement repeatability	Lambda/100 @ 633nm
Spherical standard lens F-number	F/0.65, F/1.6, F/3.3, F/7.0,F/1.0,F/10.7
Spherical Standard Lens Accuracy	Lambda/10 @ 633nm

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Spectrophotometer Lambda 950

Applications and Measurements	Transmittance and reflectance measurement of planar components
wavelength range	UV/VIS/IR (185nm ~ 3300nm)
UVVis sub-band resolution	≤0.05nm
Infrared band resolution	≤0.20nm
Stray light@220nm &340nm&370nm	≤0.00007%T
wavelength repeatability	≤0.20nm