Crystalline quartz quarter 1/2 halfwave zero order coated waveplate (retarder)

• After-sales Service: Repair for free for any quality problem
• Warranty: 1 year
• Usage: Lighting, Medical, Optical, Photography, Mineralogy
• Type: Flat Lens
• Transmittance: >95%
• Shape: Single-lens
• Model NO.: Waveplate
• Material: Crystal quartz
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE, TUV
• Customized: Customized
• Coating: Anti-Reflection
• Transport Package: Carton, Blister, Customized
• Specification: as required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 1000pieces/Month

Product Description

Quartz crystalline quarter 1/2 λ zero order waveplate (retarder)

Specifications

Items	Description
Halfwave plate	Material:	Crystal Quartz
	Diameter:	20.00+/-0.25mm, before cutting
	Thickness:	2.00mm(REF)
	Width:	3.00-0.10/+0.15mm,center to cutting edge
	R1:	Infinity
	R2:	Infinity
	Retardation:	1/2L+/-1/100L@405nm over CA
	Optical axis:	To be perpendicular within +/-1deg of A
	Flatness:	TWD:<1/6L@405nm, over CA, zero order assembled
	Surface quality:	S1&S2:S-D 20-10
	Parallelism:	<2'
	Clear aperture:	>85%
	Chamfer:	Protected
	Coating:	S1&S2:AR coating, R<0.25%@405nm,AOI:0deg, no"bubble-type" stains underneath coating within CA
	Standard:	MIL-PRF-13830B

 

Why CPG

COST, PRECISION, G+ SERVICE
CPG optics has over 20 years experiences in optics industry, we provide a variety of different material fabricating and coatings, and we always aim to be a trustful supplier for all the customers.
Our in-house optical metrology capability ensures the all the requirements for the parts are within the specs:

• Zygo Interferometer
• Wyko Cylinder Interferometer
• Agilent Cary 7000 Spectrometer
• Optical Bench
• Moller-wedel Goniometer
• Taylor Hobson Profiler
• Mitutoyo Projector
• Zygo Roughness Meter
• CMM
• Stress Measuring
• Satisloh Spherometer
• Trioptics Centering

CPG is also an ISO: 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers.

Inspection

FAQ:

1. Are you a manufacturer or trader? Can I visit your factory or office?
We are a manufacturer. We have factories in Jiangsu and Zhejiang provinces.
In order to provide better and in-time services, we set up branches in US, Germany and Netherlands.
You are welcome to visit our factories and offices at any time.

2. What's your payment term?
T/T, D/P, Letter of Credit, Western Union etc.

3. What's your minimum order quantity for this item?
1 unit.

4. Could I get free samples before making an order?
Your samples fee will be refunded when you place volume order.

5. Can I get a catalog?
Of course, please contact our salesman to get a catalog.

6. What's the lead time?
15-30 days, it is up to your quantity and specification and our stock.
If in stocks, once you make the payment, your products will be sent within 2 days.

7. What's your price list and discount?
The above price is our reference price, if you would like to know more our exact and discount policy, please email us or call us directly.

8. Can you OEM or ODM?
Yes, we accept all OEM and ODM.

9. Do you give a warranty of your products?
Yes, if there is a quality problem, please kindly provide the pictures to show the problem by email.
We will rework or provide the replacements to you at our cost according to actual conditions.