Zero Order Waveplates 1/2,1/4

Zero Order Wave plates(1/2 and 1/4 wave plates) are made from two crystalline quartz plates of similar thickness, that are contacted together with orthogonally aligned optical axes. Retardation varies slowly with wavelength, thus they are useful with tunable or broadband sources. Retardation is a function of thickness difference between the two plates, and is essentially invariant with temperature. It aslo shows better performance than multiple order waveplates.

To suit different applications, air spaced, glued or optically contacted Zero order compensated phase retardation plates are available.

Details Information		Characteristic data
»| Cemented or Optically contracted Zero order Waveplates »| Airspaced Zero order Wave plates »| Notes Related Pages »| Download PDF documents

Cemented or Optically Contracted Zero Order Waveplate
It is constructed of two multi-order wave plates with their axis crossed. Thus,it performs as a zero-order waveplate because of the effect of two plates counteracting each other. It has wide temperature bandwidth and wavelength bandwidth properties. Due to it is cemented,the damage threshold must be considered(about 10MW/cm2) when application.

General Specifications		Schematic diagram
Optical Material: Crystal quartz Dimension Tolerance: +0.0, -0.1 Wavefront Distortion: < λ /8@633nm Retardation Tolerance: λ /500 Parallelism: <1 arc second Surface Quality: 20/10 scratch/dig Clear Aperture: Central 90% AR Coated: <0.2% @ wavelength Holder: Available andpls refer to Holder Section
Standard wavelength(nm) for Cemented Zero order waveplate
266 355 532 632.8 780 808 850 980 1064 1310 1480 1550

Airspaced Zero Order Waveplates
Its performance is as good as cemented zero-order waveplate. The airspaced construction enables it is suitable for the high power laser applications. The damage threshold is more than 500MW/cm2.

General Specifications		Schematic diagram
Optical Material: Crystal quartz Dimension Tolerance: +0.0, -0.1 Wavefront Distortion: < λ /8@633nm Retardation Tolerance: λ /500 Parallelism: <1 arc second Surface Quality: 20/10 scratch/dig Clear Aperture: Central 90% AR Coated: <0.2% @ wavelength
Standard wavelength(nm) for Airspaced Zero order waveplate
266 355 532 632.8 780 808 850 980 1064 1310 1480 1550

	Notes
	»| We are committed to support a fast delivery to customer.Generally,we can delivery any wavelength for standard size within 10-15days if no stock.
	»| Above prices lists are all based on QTY >=20pcs. If you need prices for <20pcs or OEM prices,please contact us to get more information.
	»| We hold a large stock for most standard size with standard wavelength,it will satisfy most applications and test. Please contact us for checking our stock situation and information.
	»| Custom retardation and size is avaliable upon request, and please advise us your central wavelenght when you order our standard zero order cemented and optically contracted wave plates.
	»| We are support mounting and unmounted zero order cemented and optically contracted wave plates,you could make choice as your applications.
	»| These products can be used for the beams which wavelengths are in +/-1% of rated wavelengths.
	»| The surface flatness is the reflected wavefront distortion of the surface before coating.
	»| Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.