Coherent FieldMaxII-TOP Especificaciones descargar pdf (Pagina 73)

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Features

• CW laser beam shape, power and position measurements

• Beam sizes from 3 μm to 9 mm with 0.1 μm resolution and

high dynamic range

• Real-time Windows display, analysis and data logging system

• Wavelengths from 190 nm to 1800 nm

BeamMaster is a high-precision, multiple knife-edge

scanning laser beam proler which can be congured to

sample, measure and display cross-sectional proles and/

or 2D and 3D image plots in real time up to 5 Hz. Selectable

averaging of 1 to 20 samples provides noise reduction and

maximizes measurement accuracy. Data can be collected,

displayed, stored and continuously streamed to the RS-232

port. All screen images can be captured and stored, or be

printed to any Windows-supported printer.

BeamMaster can measure focused beam spots as small as

3 µm with 0.1 µm resolution and has an aperture as large as

9 mm with 1 µm resolution for larger beams. Measurements

can be made from 190 nm to 1100 nm (Si-Enhanced) and

from 800 nm to 1800 nm (InGaAs). Input powers can

be as low as 10 µW. There is automatic gain control and

two internal distortion-free optical attenuation lters are

included (Si-Enhanced models)

Multiple Knife-Edges for Greater Resolution and Accuracy

BeamMaster is an advancement over the more common

types of beam prolers, which use two orthogonal knife-

edges or slits to scan the beam prole. The BeamMaster

model BM-7 uses seven individual knife-edges on a rotating

drum to scan the beam through seven different axes in a

single rotation. This provides more accurate measurements

of the true beam shape and dimensions by tomographically

combining the data from all seven scans to reconstruct a

prole of the beam. This technique also makes locating the

angular orientation of elliptical beam major/minor axes

much easier than searching by rotating the sensor head

around the optical beam axis. For applications with circular

or near-Gaussian beams, the lower-cost BM-3, with only three

knife-edges, is also available.

105 mm

(4.13 in.)

3.5 mm

(0.14 in.)

50 mm

(1.97 in.)

87 mm (3.43 in.)

35.2 mm

(1.39 in.)

52.5 mm

(2.07 in.)

2x 8-32

Thread

8-32

Thread

Entrance

Aperture

Removable Filter

(UV and Si only)

BM-7:

15.1 mm (0.6 in.)

BM-3:

13.1 mm (0.5 in.)

BM-3: 13.1 mm (0.5 in.)

BM-7: 15.1 mm (0.6 in.)

3x 8-32

Thread

8-32

Thread

Laser

Cross-

Reference

Index

POWER

& ENERGY

Power

Sensors

Energy

Sensors

Custom

& OEM

BEAM

DIAGNOSTICS

CALIBRATION

& SERVICE

INDICES

Product

Name

Index

Power

& Energy

Meters

BeamMaster System (rotational mount shown is an

option and is not included)

Knife-Edge Beam Proler

BeamMaster

Effectively

scans

beam normal

to the

knife-edge

Drum

Circum-

ference

Drum

Inter-

changeable

Filter

Sensor

Beam

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 91 92

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