Model 207V是C-T結(jié)構(gòu)的真空紫外光譜儀，使用 120x140mm大光柵來優(yōu)化光通量至f/4.7。高質(zhì)量的主光學(xué)器件提供從105nm 真空紫外一直到紅外的性能。
掃描/結(jié)合CCD作為成像光譜儀
105 nm – LWIR波段范圍
潔凈的不銹鋼結(jié)構(gòu)
O-ring密封高真空10-6torr
可定制支持UHV至10-10torr
Model 207V由不銹鋼制成的穩(wěn)定儀器，適用于任何需要真空或吹掃條件的光譜技術(shù)。使用 120x140mm大光柵來優(yōu)化光通量至f/4.7。高質(zhì)量的主光學(xué)器件提供從105nm 真空紫外一直到紅外的性能。光學(xué)元件采用鋁和氟化鎂涂層，以獲得寬帶性能。也可以提供金或銀等涂層。
可以選擇適當(dāng)?shù)墓鈻鸥采w從 105nm 到 20um 的波長。 207 光學(xué)元件提供的光譜分辨率；安裝非球面光學(xué)元件用于光學(xué)成像。超大面積的聚焦鏡可減少強(qiáng)度損失，并將光譜傳送到 50 毫米的大焦平面。廣泛用于拉曼、光致發(fā)光、熒光、發(fā)射、反射和透射。
Model 207V PDF Data Sheet
Optical Design | McPherson Model 207 0.67-meter focal length f/4.7 Monochromator |
Focal Length | 0.67-meter, Czerny Turner design Spectrometer with Patented "Snap-In" gratings |
f/no. | 4.7 (5.8 with smaller grating) |
Wavelength Range | refer to grating of interest for range, in extended position increase top limit 20% |
Wavelength Accuracy | +/-0.05 nm (with 1200 G/mm grating) |
Wavelength Reproducibility | +/- 0.005 nm (with 1200 G/mm grating) |
Grating Size | 120 x 140-mm (or 110 x 110-mm) - Echelle gratings up to 220-mm wide |
Slit Locations | Axial and lateral with optional extra entrance and exit port selection mirrors |
Focal Plane | 50-mm maximum width, multiply dispersion by the width of your detector for range |
Performance with various diffraction gratings:
Grating (G/mm) (others available) | 3600 | 2400 | 1800 | 1200 | 600 | 300 | 150 | 75 | 20 |
Wavelength Range from 185-nm to | 435nm | 650nm | 860nm | 1.3um | 2.6um | 5.2um | 10.4um | 20.8um | 78um |
Resolution (nm)1 | 0.015 | 0.02 | 0.03 | 0.04 | 0.08 | 0.16 | 0.32 | 0.64 | 2.4 |
Dispersion (nm/mm) | 0.42 | 0.62 | 0.83 | 1.24 | 2.48 | 4.96 | 9.92 | 19.84 | 74.4 |
First Order Littrow Blaze (nm)2 | Holo | 240nm | Holo | 250nm | 300nm | 750nm | 1.25um | 2.0um | 45um |
300nm | 300nm | 500nm | 1.0um | 2.5um | 3.0um | ||||
Holo | 500nm | 750nm | 3.0um | 4.0um | 8.0um | ||||
750nm | 1.0um | 4.0um | 6.0um | 10.0um | |||||
1.0um | 1.85um | 8.0um | 12.0um | ||||||
1. Tested in scanning mode at 312/313 nanometers with 10 micron wide slits and at slowest aperture ratio
2. Gratings work best from 2/3 blaze wavelength to 3/2 blaze wavelength
