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N-BK7 Windows and H-K9L Windows
Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application.
High Precision Achromatic Waveplate
Achromatic Waveplate Achromatic Waveplates(Retarders), AWP is composed of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2.
IR Windows Barium Fluoride BaF2 Window
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IR Windows Magnesium Fluoride MgF2 Windows
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IR Windows Calcium fluoride CaF2 Windows
CaF2 has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. 1. Low absorption coefficient 2. High damage threshold, 3. Low Dispersion (with an Abbe Number of 95) 4. Low fluorescence 5. Excellent water, chemical, and heat resistance

Zero Order Waveplate

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High Precision Zero Order Waveplates

Zero order waveplate are constructed of two multiple order waveplates which is designed to give a retardance of zero full waves, plus the desired fraction.

1. Zero Order Waveplates-Cemented by Epoxy

2. Zero Order Waveplates-Optically Contacted

3. Zero Order Waveplates-Air-spaced

product orgin:
China
shipping port:
Fuzhou China
payment:
T/T Payment, Western Union

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features

High Precision Zero Order Waveplates

Zero order waveplates are constructed of two multiple order waveplates with their axes crossed, thus the effect of the first plate is cancelled by the second, except for the residual difference between them. The two multiple order waveplates can be glued together or optically contact.

Zero order waveplates are much less susceptible to wavelength changes, can be up to 2% above or below the design wavelength with little effect on retardation. The waveplates should be considered for more critical application.

Damage threshold is about 100MW/cm2.

There are three contact way.

1. Cemented by Epoxy (AR Coated, R<0.2%, Better Temperature Bandwidth
2. Optical Contacted (AR Coated,R<0.2%, High Damage Threshold, Better Temperature )
3. Air-spaced (AR Coated,R<0.2% and Mounted, High Damage Threshold, Broad Temperature Bandwidth)

Specifications:
Type:	Half Waveplates Quarter Waveplates
Material:	Crystal Quartz
Dimension Tolerance:	+0.0, -0.1mm
Surface quality:	20-10
Clear Aperture:	>90%
Wavefront Distortion:	λ/8@632.8nm
Parallelism:	2 arc sec
Retardation tolerance:	λ/100, λ/200, λ/300, λ/400, λ/500 for different wavelength
Coating:	AR/AR coating ,R<0.2% at central wavelength
Standard wavelengt:	266nm, 355nm,532nm, 632.8nm, 780nm,808nm,
	850nm, 980nm,1064nm, 1310nm, 1480nm, 1550nm

Zero Order Waveplates Half Waveplates Zero Order Waveplates

Typical Sizes:
Size(mm)	Size(mm)
Φ 5.0	Φ20.0
Φ10.0	Φ25.4
Φ12.7	Φ30.0
Φ15.0	Φ38.1

tags : Zero Order Waveplates Zero Order Half Waveplates Zero Order Quarter Waveplates True Zero Order Waveplate

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