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完整的預先裝配和預先對準系統
光束質量測量精度為典型的5%
可以測量M?、發散度、光腰直徑、瑞利范圍和像散
可以兼容連續波激光光源和重復率 ≥ 300 kHz的準連續波脈沖激光光源
光束質量測量符合ISO11146認證
可直接使用的完整系統，具有緊湊和靈活的設計
經TCP/IP將實時數據傳輸到 DataSocket 服務器，易于讓其它程序對其進行處理

詳細介紹

THORLABS M2SET-BP209 技術參數

Item #	M2SET-BP209VIS	M2SET-BP209VIS/M	M2SET-BP209IR	M2SET-BP209IR/M
Component Type	Imperial	Metric	Imperial	Metric
Breadboard Footprint	24" x 6"	600 mm x 150 mm	24" x 6"	600 mm x 150 mm
Beam Profiler	BP209-VIS	BP209-VIS/M	BP209-IR	BP209-IR/M
Wavelength Range	400 nm to 1100 nm		900 nm to 1700 nm
M² Measurement Range	≥ 1.0
Typical M² and K Accuracy	±5 %, Depending on Optics and Alignment
Beam Diameter Range at Beam Profiler Input Aperture	20 µm to 9 mm
Accepted Beam Diameter at Beam Profiler Input Aperture for 5% Accuracy in M² Measurement	20 µm to 4.5 mm
Maximum Input Beam Diameter at the Lens^a	14 mm, Depending on Wavelength (See Diagram Below)		20 mm, Depending on Wavelength (See Diagram Below)
Minimum Detectable Divergence Angle	less than 0.1 mrad
Applicable Light Sources	CW and Pulsed Sources ≥ 300 kHz
Power Range	10 nW to 10 W, Depending on Beam Diameter
Translation Range	150 mm -100 mm to +50 mm from Focal Point
Lens Focal Length	200 mm
Optical Axis Height	50 mm to 120 mm^b
Typical Measurement Time	20 s to 40 s, Depending on Beam Shape and Settings

有關透鏡的焦距和平移臺行程如何限制M²系統的可測的光束直徑，請參見教程標簽。
可以用一根長支桿使用在潛望鏡組合中，延長高度。

OPHIR M²-200s 全自動光束質量分析儀

BeamGage? Professional

在少于 2 分鐘內自動測量光束質量
微調激光器進行*操作
符合 ISO 標準
專為連續使用而開發
使用 UltracalTM 獲得無以倫比的精確度
校準
自動衰減調節
脈沖和 CW，大多數光束直徑和功率
緊湊、便攜

Not all commercial M² measuring instruments conform to the ISO 11146 method of employing a fixed position lens and moving detector. Instead, some manufacturers use a fixed position detector and a moving lens. If the laser beam is diverging or converging within the travel range of a moving lens, the reported M² value and other results can be significantly compromised. Spiricon's M²-200s Beam Propagation Analyzer is fully ISO 11146 compliant.

Automatic M² - at Production Speeds

The M²-200s optical train uses a fixed position lens and camera. The mirrors that direct the focused beam into the camera are moved to precise locations, translating the beam through both the waist region and the far field regions. All these measurements and translations, as well as incremental beam attenuation, are automatically controlled by the M²-200s software. Software improvements in the M²-200s, including more efficient algorithm execution, has decreased the measurement reporting time by 2-3 times, making it possible to report M² in under two minutes.

Manual M²

Manual mode is available for beams that are too large or too small or at wavelengths outside the standard optical train.

Accuracy by Design

Spiricon products are known for accuracy. Using our patented Ultracal™ calibration method and auto apeturing, to exclude noise beyond the wings of the laser beam, you are assured of the most accurate measurements in the industry.

Spiricon has redesigned the M²-200, the world's top selling beam propagation system to include customer input, increased attention to durability, and operational robustness for continuous use applications; three shifts a day, seven days a week. Novice and seasoned users will appreciate these new features along with the time-tested excellence that the Spiricon M²-200 measurement system has provided over the years.

Main Screen Functions

Specifications for M²-200s

General

Accuracy

±5% typical, ±12% waist location and Rayleigh length typical (Note: Accuracy can be degraded by a variety of situations)

Measurement Cycle Time

2-3 minutes typical, depending on setup conditions and operating mode.

Camera Attachment

Std C-mount, 90° camera on axis rotation

Translation System

Step motor-driven lead screw

Translation Pitch

4 mm/rev optical pitch

Step Angle

1.8° (200 steps/rev)

Sample Range

M² - 200 s 190 - 600 mm, typical

Camera Specifications (for GRAS20 camera)

Imager

1/1.8" CCD, 1600 x 1200 pixels

Dynamic Range

12 bit A to D

Frame Rates

7.5 FPS (at full resolution)

Pixel size

4.4um x 4.4um

Gain

0 to 25dB

Shutter Control

Programmable from 110us to 70ms

S/N Ratio

59dB at min gain

Trigger Input

Edge sensitive 3.3 / 5Vdc LVTTL / TTL (positive or negative, user programmable)

Minimum pulse width 10us

Trigger Out

External Trigger cable provided.

Voltage Requirement

3.3Vdc LVTTL, Programmable

Power Consumption

Powered over Firewire Cable

<3.5watts

Dimensions

44mm (1.74") wide, 29mm (1.14") tall and 66mm(2.6") deep

Mass

104g (3.7oz)

Environmental

Storage Temperature

-30°C to 65°C

Storage Humidity

95% maximum (non-condensing)

Operating Temperature

10°C to 40°C

Operating Humidity

95% maximum (non-condensing)

Power Requirements*

Line Voltage

95V AC to 250V AC

Line Frequency

47Hz to 63Hz

Maximum Power

4.5 Watts

* For the Optical Train only. The PC computer supplies the power for the system components, such as the CCD camera. An external power supply is provided for Laptop computer use.

Physical

Weight

M²-200… 5.9 Kg (without camera)

Measurements

M²x, M²y, Kx, Ky, BPPx, BPPy

(Statistical results

Width at waist , Wy

are available on

Divergence angle qx, qy

all measurements)

Waist location Zx, Zy

Rayleigh X, Y

Astigmatism

Asymmetry ratio

Wavelength Range

Different lenses are needed for different wavelength regions.

The M²-200s model include 3 standard lenses with nominal 300mm focal lengths. See below.

M²-200s-FW	266 - 587nm (included)
	400 - 750nm (included)
	650 - 1125nm (included)
	1000 - 1300nm (optional)

Attenuation Range Nominally from ND 0 to ND 4.8. Actual values vary with wavelength.

Beam Size

0.5mm - 10mmM ²-200s

varies with wavelength, waist size and location, and M²

Damage Limits¹

Camera

0.15 uW/cm² CW mode for a 10 mm input beam diameter

1.0 uJ/cm² pulse mode for a 10 mm input beam diameter

Both of the above for an M² =1 @ 1064nm

¹ CCD cameras can be damaged by power in excess of 100 mW/cm² or energy in excess of 100 mJ/cm². The M²-200s employs a focusing optic. While it may be that the laser input power or energy measures well below this damage threshold, it can easily exceed these levels when focused onto the camera sensor. Use caution and error on the side of safety. CCD cameras can be costly to repair or replace.

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