Products

DESCRIPTION

Basic Info

Model NO.	yt458
Shape	Single-lens
Material	Optical Glass
Lenses Color	Clear
Certification	RoHS
Customized	Customized
Coating	HC
Color	Transparent
Polished	Yes
Diameter	1-2000mm
Diameter Tolerance	+0.0/-0.15 mm
Thickness Tolerance	+/-0.1mm
Surface Quality	60/40,40/20 or Better
Centring Error	<3 Arc Minute
Bevel	0.25mm×45 °
Clear Aperture	90%
Transport Package	Safety Green Carton
Origin	Changchun
HS Code	9001909090
Production Capacity	40000/Year

Packaging & Delivery

Package size per unit product 20.00cm * 20.00cm * 20.00cm Gross weight per unit product 1.000kg

Product Description

Best prices high quality optical sapphire crystal glass window

Property	Specification
Thickness	0.5-50mm
Size tolerance	0.02mm
Edge Finish	Ground and beveled
Surface Quality	40-20 scratch-dig
Surface Flatness	λ/4 @ 633 nm
Parallelism	≤3 arc min (≤0.9 mrad)
Clear Aperture	>80% of central diameter
Hardness (Knoop)	1370 kg mm-2
Young's modulus	3.4 x 1011 N m-2
Thermal Limit	22 W m-1 K-1
Thermal expansion coefficient	8.4 x 10-6 K-1

other items

Factory information

Our Advantage

Sales Team
Yutai Optics has a professinal sales team with excellent service, we tracking from inquiry to delivery of items.We try our best to meet each customers'request.

Production Team
Yutai Optics has many experienced engineers and advanced machines, they are the important guarantee for the higher quality products.Our advanced production machines list:
Ring polishing machine, Single axis machine, Two axis machine, Four axis machine,Centering edging machine,Mechanical milling machine,Spectrograph, Grinding machine,nanotech.250upl,talysurfi120.

Inspection Team
Advanced testing equipment and methods are important guarantee for the production of high-precision products.Our testing machine is ZYGO, Stereo interferometer,Horizontal interferometer.We provide testing report for each batch for your items.

Process for most optics
Material-cutting-rounding-milling-grinding-polishing-edging-cleaning-coating-gluing-edging-blacking-accembly-packing-shipping

Packaging & Shipping
1 Package Detail: A. Standard carbon and envelop with plastic foam.
B. Safety green carton.
C. Customized.