Grating mount: Newport DGA-50

The DGA-50 is a three-axis adjustable grating mount sized for 50 mm-high square or rectangular optics. It provides pitch, yaw, and roll adjustment, with lockable 100-TPI adjusters. The mounting geometry places the front surface of a 6 mm-thick optic on the post rotation axis.

4-panel image showing various properties of the DGA-50 grating mount
Key catalog properties

Property

Value

Adjustments

Pitch, yaw, and roll

Angular range

±2°

Adjustment threads

100 TPI, lockable

Nominal optic thickness

6 mm

Optical-axis height

38.1 mm

Material

Anodized aluminum

The mount’s fine adjustment is intended for alignment and focus optimization; the nominal 52° instrument axis separation is set by the surrounding mechanical layout rather than by the mount’s ±2° adjustment range.

Vendor resources