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Prisms

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Right Angle Prisms

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Image Rotation Prisms

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Light Pipes

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Penta Prisms

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Retroreflection Prisms

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Dispersion Prisms

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Cubic Standard Prisms

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Wedge Prisms

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Cemented Prisms

Capabilities

Golden Way Scientific produces over 500,000 optical prisms per year. Our expertise includes achieving precision quality in a wide variety of Schott, Ohara, and CDGM materials, along with utilizing optical contacting to achieve high precision angle tolerances.

Prism Manufacturing Capabilities
	Commercial	Standard	Precision	Best Effort
Size in Length	1.0 – 300.0mm	1.0 – 200.0mm	1.0 – 150.0mm	1.0 – 75.0mm
Size in Height	1.0 – 60.0mm	1.0 – 60.0mm	1.0 – 50.0mm	1.0 – 40.0mm
Dimensional Tolerance	+0/-0.2mm	+0/-0.1mm	+0/-0.05mm	+0/-0.01mm
Power @ 632.8nm	3 waves	1.5 wave	1 wave	1 wave
Irregularity @ 632.8nm	1 wave	0.25 wave	0.1 wave	0.05 wave
Prism Angle Tolerance	±5 arcmin	±3 arcmin	±0.5 arcmin	±3 arcsec
Surface Quality (Scratch Dig)	80-50	60-40	20-10	10-5
Bonded Prism Assembly Beam Deviation	5 arcmin	3 arcmin	0.5 arcmin	±5 arcsec
Pyramid Tolerance	±5 arcmin	±3 arcmin	±0.5 arcmin	±10 arcsec

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