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        首頁 > 粉體測試設(shè)備 > 光譜檢測分析儀 >
        Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)
        Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)

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        Puntino 簡介

        Puntino 是基于Shack-Hartmann 波前探測原理的緊密儀器,用于測試 single focal ratio telescope 或光學(xué)元件。經(jīng)常使用它的部分客戶有:

        新墨西哥州 3.5m Apache Point 天文望遠(yuǎn)鏡

        美國Virginia大學(xué) 1m 的FAN 望遠(yuǎn)鏡

        Kavalur Observatory-2.3m VBT telescope ,

        Indian Institute of Astrophysics-2m HIROT telescope

        日本東京大學(xué)的 2m MAGNUM telescope

        .......

        Puntino 波前探測系統(tǒng)是一個非常緊湊的測試儀器(外形尺寸取決于focal ratio),可以用于天文望遠(yuǎn)鏡作為離線測試和在線(主動光學(xué)元件)測試應(yīng)用。也可以在實驗室用于測試光學(xué)元件。

        Puntino 波前探測系統(tǒng)有2個CCD探測器,一個用于獲取SH圖像,一個用于獲取星像。第二個CCD還可以獲得鏡面或透鏡的瞳像。這樣可以獲得更多的光學(xué)參數(shù)及成像質(zhì)量信息。對于一個1.9米的鏡面,將獲得一下信息:

        鏡面拋光的殘留物清晰可見

        光孔不夠圓(側(cè)面的支撐調(diào)節(jié)不到位,過大)

        亮點是由于鏡面表面的氣流影響

        中間的洞是副鏡的陰影

        十字形是副鏡的支撐架造成的陰影

        Puntino 功能及特點
        Puntino-Pro wavefront sensor in the laboratory and mounted at the telescope.
        Wavelength range: 390 nm -1100 nm
        產(chǎn)品主要特點
        • For testing astronomical telescopes
        • Wavefront sensor with in-built motorized light source for getting the reference calibration image in remote mode (to compensate for temperature changes and that flexure caused by the change of telescope position
        • Wavefront analysis is done using a cooled camera for long integration times (to integrate out seeing effects)
        • Second uncooled camera is used for analysis of the out-of-focus pupil of the telescope, giving additional information like alignment of the spiders of the primary and secondary mirrors, zones on the mirror surface, support problems etc.
        • Standard sampling: 26 x 26 spots
        • Focal ratios from f/1.8 up to f/300
        軟件功能
        • Measure the aberrations ( up to 70 terms of the Zernike polynomials)
        • Estimate optical quality and Strehl ratio
        • Inspect the wavefront corresponding to any aberration
        • Focus your telescope. The program gives the magnitude (in mm) and the direction for effecting the correction
        • Align your telescope in minutes instead of hours. Use the indications given by the software (magnitude and direction) to move the secondary mirror for effecting the alignment. It takes the guesswork out of alignment
        • Find out the correct focal plane using the spherical aberration measured by PuntinoPro. The program again gives you the magnitude and direction in which to move the secondary mirror or the focal plane
        • Helps identifying support errors at the zenith by shown by the wavefront map after mathematically subtracting the lower order aberration
        • Optimize dome and mirror seeing by inspecting the plots of the residuals
        • On-line display of how the aberrations change during the night
        • Based on the Shack-Hartmann data, the MTF of the telescope can be computed
        • Build/refine a sophisticated pointing model for the telescope using the indications given by PuntinoPro of the shift of image in the focal plane of the telescope for different positions in the sky
        • PuntinoPro comes with detailed on-line help and a hardware and software user's manual containing both theory and practical examples to guide you in getting the correct interpretation out of the Shack-Hartmann analysis
        • Measurement of combined external seeing, dome and mirror seeing using the second CCD camera
        Puntino 主要技術(shù)指標(biāo)

        Feature /項目

        Specification / 說明

        Type of element that can be measuredAstronomical telescopes (at Cassegrain, Prime and Newtonian focus). Telescopes in the laboratory. Lenses in external illumination
        Focal ratios coveredf/1.8 to f/300 standard. Faster focal ratios can be tested with special setup
        Diameter of optical element that can be testedPractically any diameter
        Diameter of lenslets0.3 mm
        Focal length of lenslets41 mm
        Standard sampling on the pupilAbout 26 x 26 spots
        Maximum samplingUp to 70 x 70 spots can be used (camera dependent)
        Analysis SoftwareSensoft
        Precision of Zernike polynomials coefficients (laboratory)λ/300
        Precision of Zernike polynomials coefficients (telescope)0.01 "
        Precision with which the wavefront is computedλ/150 rms
        Wavelength rangeWith standard camera from 0.375 μ up to 1.1 μ. With IR camera up to 2 μ
        Reference sourceLED with cooled camera. Remotely controlled
        Distance from flange to instrument focus54.8 mm
        Height of optical axis from base61.5 mm
        Camera for SH16-bit cooled CCD
        Camera for finder10-bit uncooled CMOS, 1280 x 1024 pixels, 7.5 μ pixel size or 14 or 16-bit cooled CCD
        Dimensions (depends from focal ratios tested)9 (Height) x 22 (Length) x 9 (Width) cm
        Power requirement (stepper motor)12V, 500 mA

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        問商家
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)的工作原理介紹?
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)的使用方法?
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)多少錢一臺?
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)使用的注意事項
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)的說明書有嗎?
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)的操作規(guī)程有嗎?
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)的報價含票含運費嗎?
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)有現(xiàn)貨嗎?
        • Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)包安裝嗎?
        Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)信息由光傲科技股份有限公司為您提供,如您想了解更多關(guān)于Puntino天文望遠(yuǎn)鏡調(diào)校系統(tǒng)報價、型號、參數(shù)等信息,歡迎來電或留言咨詢。
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