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1310nm and 1550nm True Zero Order Waveplates (Retarders)

1/4λ and 1/2λ Retardance
Dual Sided Anti-Reflection Coating
Ideal for Telecommunications Applications

1310nm and 1550nm True Zero Order Waveplates (Retarders) are constructed of a crystal quartz waveplate in optical contact with a high precision BK7 glass window. A dual-sided anti-reflection (AR) coating helps minimize surface reflection losses and return loss in fiber optic systems. 1310nm and 1550nm True Zero Order Waveplates (Retarders) are ideal for a range of telecommunications applications.

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1.8mm x 2.0mm, 1/2Wave True Zero-Order Waveplate, 1310nm

#55-558

$25.00

Type	True Zero Order
Dimensions (mm)	1.8 x 2.0
Retardance	1/2λ
Design Wavelength DWL (nm)	1310
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	76.0
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Exempt

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10mm Dia, 1/2 Wave True Zero-Order Waveplate, 1310nm

#55-555

$95.00

Type	True Zero Order
Diameter (mm)	10
Retardance	1/2λ
Design Wavelength DWL (nm)	1310
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	76.0
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Exempt

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5mm Dia, 1/2 Wave True Zero-Order Waveplate, 1310nm

#55-556

$70.50

Type	True Zero Order
Diameter (mm)	5
Retardance	1/2λ
Design Wavelength DWL (nm)	1310
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	76.0
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Exempt

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5mm Dia, 1/2 Wave True Zero-Order Waveplate, 1550nm

#55-560

$45.00

Type	True Zero Order
Diameter (mm)	5
Retardance	1/2λ
Design Wavelength DWL (nm)	1550
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	1.3
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Compliant

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10mm Dia, 1/4 Wave True Zero-Order Waveplate, 1310nm

#55-547

$95.00

Type	True Zero Order
Diameter (mm)	10
Retardance	1/4λ
Design Wavelength DWL (nm)	1310
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	38.0
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Compliant

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5mm Dia, 1/4 Wave True Zero-Order Waveplate, 1310nm

#55-548

$70.50

Type	True Zero Order
Diameter (mm)	5
Retardance	1/4λ
Design Wavelength DWL (nm)	1310
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	38.0
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Exempt

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5mm Dia, 1/4 Wave True Zero-Order Waveplate, 1550nm

#55-552

$45.00

Type	True Zero Order
Diameter (mm)	5
Retardance	1/4λ
Design Wavelength DWL (nm)	1550
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	45.6
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Compliant

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1.2mm x 1.4mm, 1/4Wave True Zero-Order Waveplate, 1550nm

#55-553

$34.00

Type	True Zero Order
Dimensions (mm)	1.2 x 1.4
Retardance	1/4λ
Design Wavelength DWL (nm)	1550
Substrate	Crystal Quartz- single surface cemented to N-BK7 fine annealed glass
Transmission (%)	99.5
Transmitted Wavefront, RMS (λ)	<1/10 @ 632.8nm
Damage Threshold, CW (MW/cm²)	10
Thickness of Quartz Crystal Layer (μm)	45.6
Thickness Tolerance of Quartz Crystal Layer (μm)	±0.2
Temperature Coefficient (λ/°C)	0.01
Clear Aperture (%)	>90
Surface Quality	20-10
Parallelism (arcseconds)	2
Retardance Tolerance (λ)	<1/500
Dimensional Tolerance (mm)	+0.0/ -0.2
Thickness (mm)	1.0
Coating	Anti-Reflection - Both Sides; R ≤0.2% @ CWL
RoHS	Exempt

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1310nm and 1550nm True Zero Order Waveplates (Retarders)

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