What is the grating length, height and blaze angle?

The cut out window measures 1 x 1 - 3/8 inch (25x35 mm). Best viewing angle seems to be around 30 deg, if that corresponds to blaze.

With a good mirror at the back, can it function as reflective grating?

No it will not. It would work as if the light went through the grating twice.

Does this work like a spectrometer? I need to be able to detect if specific wavelengths are present in a room's lighting.

If you project the dispersed light onto a screen, you might be able to roughly see what wavelengths exist and their relative intensities. For finer measurement, you might need an array of photodetectors or a camera. Or you can look at the incident light directly from different angles and have a way to measure those anles, kind of like those antique spectroscopes, though you should be careful not to stare at overly intense light or UV sources.

is the diffraction grating on flexible film or rigid plastic, or glass? Is it etched or produced photographically?

It's cardboard on the outside and plastic where it counts in the middle. I assume it can't be etched on plastic, but I'm not certain. In any case the price reflects that there is no glass in this product. I would also suggest plastic is safer than glass for kids, although given the small size the chance of someone getting hurt on a glass version of this product would seem unlikely.

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$Diffraction Grating Slide-Linear 1000 Lines/mm 2x2"-Pack of 10$

Diffraction Grating Slide-Linear 1000 Lines/mm 2x2"-Pack of 10

Product ID: 633739442

🌈1000 lines/mm ultra-fine diffraction

📏2x2 inch compact slide size

🔬Embossed holographic optical elements

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₨38314

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Description

🌈 Unlock the spectrum of possibilities with every slide!

PRECISION ENGINEERING - 1000 lines per millimeter grating for ultra-fine light diffraction and accurate color separation.
COMPACT READY TO USE - Standard 2x2 inch slides fit seamlessly into overhead and 35mm projectors—no assembly required.
EDUCATIONAL POWERHOUSE - Ideal for hands-on learning in optics, color recognition, and scientific demonstrations.
PACK OF 10 FOR GROUP IMPACT - Equip your entire team or classroom with a full set, fostering collaborative discovery and engagement.
BRILLIANT SPECTRA ZERO NOISE - Experience the brightest, clearest spectral analysis with minimal visual distractions.

This pack of ten 2x2 inch diffraction grating slides features 1000 lines per millimeter embossed holographic optical elements, delivering the brightest and clearest spectral views. Designed for use with overhead and 35mm projectors, these lightweight, no-assembly slides are perfect for educational and scientific applications in optics and color analysis.

Specifications

ASIN	B0074R74D8
Age Range Description	Kid
Battery Types	No batteries required
Best Sellers Rank	#252,148 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #129 in Science Education Optics Kits #26,248 in Lab & Scientific Products
Brand	Rainbow Symphony
Colour	Rainbow
Country of Origin	USA
Customer Reviews	4.4 out of 5 stars 142 Reviews
Educational Objective	Color Recognition
Indoor Outdoor Usage	Indoor
Is Assembly Required	No
Item Weight	0.02 Pounds
Manufacturer	Arbor Scientific
Manufacturer Part Number	DG1000
Material	Plastic
Maximum Recommended age	72
Model Number	DG1000
Operation Mode	Automatic
Power Source	light source
Size	Small
Theme	Rainbow
Unit Count	10.0 Count

Reviews

H**O

12.10.2022

C**N

26.03.2022

P**S

8.06.2019

U**.

11.01.2018

M**D

8.08.2014

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