Nd:YVO4 - Fabrication Specifications

Neodymium Doped Yttrium Vanadate (Nd:YVO₄)

IV. Standard Fabrication Specifications

Nd Doping Level

0.5, 1, 2, 3 ?.2 atm%

Standard Dimension

1) 3x3x0.1, 0.2 mm (laser polished only)

2) 3x3x0.5, 1, 1.5, 2 mm (laser polished or coated)

3) 3x3x3, 4, ... 15, 20 mm (laser polished or coated)

4) other apertures (such as 2x2, 4x4 mm, 5x5 mm, etc.)

Aperture Tolerance

+0.1/-0.0 mm

Wavefront Distortion

< l/8 @633 nm

Scattering Sites

invisible, probed with a He-Ne laser

Orientation

A-axis or C-axis cut, 0.2^oC

Typical End-faces

1) plano/plano ends

2) plano/Brewster-cut ends

3) Brewster-cut/Brewster-cut ends

4) Other angle-wedge ends

Surface Finish

10/5 scratch/dig as per MIL-O-13830A

Flatness

l/10 @633 nm

Parallelism

< 10 arc seconds

Perpendicularity

< 5 arc minutes

Clear Aperture

> Central 90%

Coating Types

I) S1 - HR @1.064 mm & HT @0.808 mm (*)

II)S1 - HR @1.064&0.532 mm & HT @0.808 mm (*)

III)S1 - AR @1.064 mm & HT @0.808 mm(*)

IV) Both ends AR @1.064 mm (*)

V) Other kinds of AR, HR coatings upon requests

*I) R_{1.064 mm}>99.8%, T_{0.808 mm}>97%

*II) R_{1.064 mm}>99.8%, R_{0.532 mm}> 99.6%, T_{0.808 mm}>95%

*III) R_{1.064 mm}<0.2%, R_{0.808 mm}<0.5%

*IV) R_{1.064 mm}<0.1% per surface