The making of robust and highly performing imaging spectropolarimeters for large solar telescopes

Open Access

Table A.1

Prescription of the CRISP2 FPI system.

No.	Radius (mm)	Thickness (mm)	Lens dia (mm)	Beam dia (mm)	Glass	Label
0		163.46				F1
1	111.91	4	50	39	N-LASF45	L1
2	51.02	13	50		N-PSK53A	L1
3	−175.50	145.86	50			L1
4		418.26		3.15*		P1
5	342.59	8	120		N-SF2	L2
6	141.56	26	120		N-BK7	L2
7	−370.98	60	120	100		L2
8		35	105	99.4	Silica	FPI1
9		0	105			FPI1
10		25	105		Silica	FPI1
11	.	0.79	105			Cavity
12		35	105		Silica	FPI1
13		70	105			FPI1
−						F2
14		70	105	98.36		FPI2
15		35	105		Silica	FPI2
16		0.30	105			Cavity
17		25	105		Silica	FPI2
18		0	105			FPI 2
19		35	105		Silica	FPI2
20		60	105	98.9		FPI2
21	370.98	26	120	100	N-BK7	L3
22	−141.56	8	120		N-SF2	L3
23	−342.59	418.35	120			L3
24		59.22		3.36*		P2
25	91.00	3	26		N-SF57	L4
26	30.26	7	26		N-LAF2	L4
27	−71.24	1	26	16		L4
28		25			SILICA	PBS
29		46.46				PBS
30						F3

Notes. F1-F3 are focal planes, L1-L4 are cemented doublet lenses, P1-P2 are pupil planes, and PBS is the polarising beam splitter. The total length from F1 to F3 is 1824 mm. *The actual pupil diameter is given in the Table; the pupil stops should be about 10% larger.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.